Finding the Fourth Proportional to 3,436,785.07, 5,155,841.49 and 1,306,703.57
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Solution
The fourth proportional to 3,436,785.07, 5,155,841.49 and 1,306,703.57 is: 1,960,307.77
Step by Step Solution
- Step 1: Write the proportion equation
3,436,785.07 : 5,155,841.49 = 1,306,703.57 : x - Step 2: Convert to fraction form
3,436,785.07/5,155,841.49 = 1,306,703.57/x - Step 3: Cross multiply
3,436,785.07x = 5,155,841.49 × 1,306,703.57 - Step 4: Simplify right side
3,436,785.07x = 6,737,156,468,833.68 - Step 5: Solve for x
x = 6,737,156,468,833.68/3,436,785.07 - Step 6: Final answer
x = 1,960,307.77
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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.