Finding the Fourth Proportional to 2,687,577.18, 3,708,861.60 and 1,463,878.92
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Solution
The fourth proportional to 2,687,577.18, 3,708,861.60 and 1,463,878.92 is: 2,020,155.68
Step by Step Solution
- Step 1: Write the proportion equation
2,687,577.18 : 3,708,861.60 = 1,463,878.92 : x - Step 2: Convert to fraction form
2,687,577.18/3,708,861.60 = 1,463,878.92/x - Step 3: Cross multiply
2,687,577.18x = 3,708,861.60 × 1,463,878.92 - Step 4: Simplify right side
2,687,577.18x = 5,429,324,313,437.47 - Step 5: Solve for x
x = 5,429,324,313,437.47/2,687,577.18 - Step 6: Final answer
x = 2,020,155.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.