Finding the Fourth Proportional to 4,459,793.70, 6,689,690.55 and 3,672,473.70
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Solution
The fourth proportional to 4,459,793.70, 6,689,690.55 and 3,672,473.70 is: 5,508,710.55
Step by Step Solution
- Step 1: Write the proportion equation
4,459,793.70 : 6,689,690.55 = 3,672,473.70 : x - Step 2: Convert to fraction form
4,459,793.70/6,689,690.55 = 3,672,473.70/x - Step 3: Cross multiply
4,459,793.70x = 6,689,690.55 × 3,672,473.70 - Step 4: Simplify right side
4,459,793.70x = 24,567,712,606,013.54 - Step 5: Solve for x
x = 24,567,712,606,013.54/4,459,793.70 - Step 6: Final answer
x = 5,508,710.55
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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.