Finding the Fourth Proportional to 2,262,391.68, 3,121,775.52 and 1,331,545.92
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Solution
The fourth proportional to 2,262,391.68, 3,121,775.52 and 1,331,545.92 is: 1,837,342.09
Step by Step Solution
- Step 1: Write the proportion equation
2,262,391.68 : 3,121,775.52 = 1,331,545.92 : x - Step 2: Convert to fraction form
2,262,391.68/3,121,775.52 = 1,331,545.92/x - Step 3: Cross multiply
2,262,391.68x = 3,121,775.52 × 1,331,545.92 - Step 4: Simplify right side
2,262,391.68x = 4,156,787,456,811.88 - Step 5: Solve for x
x = 4,156,787,456,811.88/2,262,391.68 - Step 6: Final answer
x = 1,837,342.09
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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.