Finding the Fourth Proportional to 5,207,949.07, 7,187,265.98 and 2,916,089.71
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Solution
The fourth proportional to 5,207,949.07, 7,187,265.98 and 2,916,089.71 is: 4,024,369.68
Step by Step Solution
- Step 1: Write the proportion equation
5,207,949.07 : 7,187,265.98 = 2,916,089.71 : x - Step 2: Convert to fraction form
5,207,949.07/7,187,265.98 = 2,916,089.71/x - Step 3: Cross multiply
5,207,949.07x = 7,187,265.98 × 2,916,089.71 - Step 4: Simplify right side
5,207,949.07x = 20,958,712,345,697.79 - Step 5: Solve for x
x = 20,958,712,345,697.79/5,207,949.07 - Step 6: Final answer
x = 4,024,369.68
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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.