Finding the Fourth Proportional to 1,647,545.68, 2,471,691.17 and 889,370.87
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Solution
The fourth proportional to 1,647,545.68, 2,471,691.17 and 889,370.87 is: 1,334,257.47
Step by Step Solution
- Step 1: Write the proportion equation
1,647,545.68 : 2,471,691.17 = 889,370.87 : x - Step 2: Convert to fraction form
1,647,545.68/2,471,691.17 = 889,370.87/x - Step 3: Cross multiply
1,647,545.68x = 2,471,691.17 × 889,370.87 - Step 4: Simplify right side
1,647,545.68x = 2,198,250,121,787.36 - Step 5: Solve for x
x = 2,198,250,121,787.36/1,647,545.68 - Step 6: Final answer
x = 1,334,257.47
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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.