Finding the Fourth Proportional to 5,207,252.87, 7,812,126.38 and 2,172,930.81
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Solution
The fourth proportional to 5,207,252.87, 7,812,126.38 and 2,172,930.81 is: 3,259,916.61
Step by Step Solution
- Step 1: Write the proportion equation
5,207,252.87 : 7,812,126.38 = 2,172,930.81 : x - Step 2: Convert to fraction form
5,207,252.87/7,812,126.38 = 2,172,930.81/x - Step 3: Cross multiply
5,207,252.87x = 7,812,126.38 × 2,172,930.81 - Step 4: Simplify right side
5,207,252.87x = 16,975,210,108,148.10 - Step 5: Solve for x
x = 16,975,210,108,148.10/5,207,252.87 - Step 6: Final answer
x = 3,259,916.61
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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.