Let’s say that you want to make $1 000 000 through regular investments. How much would you need to contribute each year if:
The interest rate was 2% and you invested for twenty years?
The interest rate was 4% and you invested for ten years?
The interest rate was 4% and you invested for twenty years?
The interest rate was 10% and you invested for twenty years?

Question

Let’s say that you want to make $1 000 000 through regular investments.  How much would you need to contribute each year if:
The interest rate was 2% and you invested for twenty years?
The interest rate was 4% and you invested for ten years?
The interest rate was 4% and you invested for twenty years?
The interest rate was 10% and you invested for twenty years?

anonymous · Answer

I would like to know the appropriate formula for this calculation.