Finding the Fourth Proportional to 5,547,206.40, 8,320,809.60 and 2,709,139.20
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Solution
The fourth proportional to 5,547,206.40, 8,320,809.60 and 2,709,139.20 is: 4,063,708.80
Step by Step Solution
- Step 1: Write the proportion equation
5,547,206.40 : 8,320,809.60 = 2,709,139.20 : x - Step 2: Convert to fraction form
5,547,206.40/8,320,809.60 = 2,709,139.20/x - Step 3: Cross multiply
5,547,206.40x = 8,320,809.60 × 2,709,139.20 - Step 4: Simplify right side
5,547,206.40x = 22,542,231,463,096.32 - Step 5: Solve for x
x = 22,542,231,463,096.32/5,547,206.40 - Step 6: Final answer
x = 4,063,708.80
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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.