Finding the Fourth Proportional to 4,253,640.31, 6,374,761.11 and 3,981,234.88
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Solution
The fourth proportional to 4,253,640.31, 6,374,761.11 and 3,981,234.88 is: 5,966,517.95
Step by Step Solution
- Step 1: Write the proportion equation
4,253,640.31 : 6,374,761.11 = 3,981,234.88 : x - Step 2: Convert to fraction form
4,253,640.31/6,374,761.11 = 3,981,234.88/x - Step 3: Cross multiply
4,253,640.31x = 6,374,761.11 × 3,981,234.88 - Step 4: Simplify right side
4,253,640.31x = 25,379,421,282,799.52 - Step 5: Solve for x
x = 25,379,421,282,799.52/4,253,640.31 - Step 6: Final answer
x = 5,966,517.95
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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.