Finding the Fourth Proportional to 3,887,624.70, 5,829,687.45 and 1,490,672.70
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Solution
The fourth proportional to 3,887,624.70, 5,829,687.45 and 1,490,672.70 is: 2,235,338.18
Step by Step Solution
- Step 1: Write the proportion equation
3,887,624.70 : 5,829,687.45 = 1,490,672.70 : x - Step 2: Convert to fraction form
3,887,624.70/5,829,687.45 = 1,490,672.70/x - Step 3: Cross multiply
3,887,624.70x = 5,829,687.45 × 1,490,672.70 - Step 4: Simplify right side
3,887,624.70x = 8,690,155,931,247.62 - Step 5: Solve for x
x = 8,690,155,931,247.62/3,887,624.70 - Step 6: Final answer
x = 2,235,338.18
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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.