Finding the Fourth Proportional to 3,894,352.40, 5,840,491.80 and 1,198,672.40
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Solution
The fourth proportional to 3,894,352.40, 5,840,491.80 and 1,198,672.40 is: 1,797,689.48
Step by Step Solution
- Step 1: Write the proportion equation
3,894,352.40 : 5,840,491.80 = 1,198,672.40 : x - Step 2: Convert to fraction form
3,894,352.40/5,840,491.80 = 1,198,672.40/x - Step 3: Cross multiply
3,894,352.40x = 5,840,491.80 × 1,198,672.40 - Step 4: Simplify right side
3,894,352.40x = 7,000,836,323,086.32 - Step 5: Solve for x
x = 7,000,836,323,086.32/3,894,352.40 - Step 6: Final answer
x = 1,797,689.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.