Finding the Fourth Proportional to 4,403,487.60, 6,605,231.40 and 1,209,106.80
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Solution
The fourth proportional to 4,403,487.60, 6,605,231.40 and 1,209,106.80 is: 1,813,660.20
Step by Step Solution
- Step 1: Write the proportion equation
4,403,487.60 : 6,605,231.40 = 1,209,106.80 : x - Step 2: Convert to fraction form
4,403,487.60/6,605,231.40 = 1,209,106.80/x - Step 3: Cross multiply
4,403,487.60x = 6,605,231.40 × 1,209,106.80 - Step 4: Simplify right side
4,403,487.60x = 7,986,430,201,313.52 - Step 5: Solve for x
x = 7,986,430,201,313.52/4,403,487.60 - Step 6: Final answer
x = 1,813,660.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.