Finding the Fourth Proportional to 1,107,616.07, 1,661,423.92 and 266,167.82
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Solution
The fourth proportional to 1,107,616.07, 1,661,423.92 and 266,167.82 is: 399,251.69
Step by Step Solution
- Step 1: Write the proportion equation
1,107,616.07 : 1,661,423.92 = 266,167.82 : x - Step 2: Convert to fraction form
1,107,616.07/1,661,423.92 = 266,167.82/x - Step 3: Cross multiply
1,107,616.07x = 1,661,423.92 × 266,167.82 - Step 4: Simplify right side
1,107,616.07x = 442,217,582,882.25 - Step 5: Solve for x
x = 442,217,582,882.25/1,107,616.07 - Step 6: Final answer
x = 399,251.69
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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.