Finding the Fourth Proportional to 4,027,882.95, 5,558,306.67 and 2,192,343.57
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Solution
The fourth proportional to 4,027,882.95, 5,558,306.67 and 2,192,343.57 is: 3,025,340.62
Step by Step Solution
- Step 1: Write the proportion equation
4,027,882.95 : 5,558,306.67 = 2,192,343.57 : x - Step 2: Convert to fraction form
4,027,882.95/5,558,306.67 = 2,192,343.57/x - Step 3: Cross multiply
4,027,882.95x = 5,558,306.67 × 2,192,343.57 - Step 4: Simplify right side
4,027,882.95x = 12,185,717,888,062.61 - Step 5: Solve for x
x = 12,185,717,888,062.61/4,027,882.95 - Step 6: Final answer
x = 3,025,340.62
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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.