Finding the Fourth Proportional to 5,155,897.92, 7,733,850.12 and 1,960,285.92
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Solution
The fourth proportional to 5,155,897.92, 7,733,850.12 and 1,960,285.92 is: 2,940,430.11
Step by Step Solution
- Step 1: Write the proportion equation
5,155,897.92 : 7,733,850.12 = 1,960,285.92 : x - Step 2: Convert to fraction form
5,155,897.92/7,733,850.12 = 1,960,285.92/x - Step 3: Cross multiply
5,155,897.92x = 7,733,850.12 × 1,960,285.92 - Step 4: Simplify right side
5,155,897.92x = 15,160,557,497,626.31 - Step 5: Solve for x
x = 15,160,557,497,626.31/5,155,897.92 - Step 6: Final answer
x = 2,940,430.11
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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.