Finding the Fourth Proportional to 4,381,279.70, 6,571,919.55 and 2,491,711.70
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Solution
The fourth proportional to 4,381,279.70, 6,571,919.55 and 2,491,711.70 is: 3,737,567.55
Step by Step Solution
- Step 1: Write the proportion equation
4,381,279.70 : 6,571,919.55 = 2,491,711.70 : x - Step 2: Convert to fraction form
4,381,279.70/6,571,919.55 = 2,491,711.70/x - Step 3: Cross multiply
4,381,279.70x = 6,571,919.55 × 2,491,711.70 - Step 4: Simplify right side
4,381,279.70x = 16,375,328,834,193.74 - Step 5: Solve for x
x = 16,375,328,834,193.74/4,381,279.70 - Step 6: Final answer
x = 3,737,567.55
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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.