Finding the Fourth Proportional to 5,564,049.20, 8,344,000.20 and 3,876,138.80
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Solution
The fourth proportional to 5,564,049.20, 8,344,000.20 and 3,876,138.80 is: 5,812,763.65
Step by Step Solution
- Step 1: Write the proportion equation
5,564,049.20 : 8,344,000.20 = 3,876,138.80 : x - Step 2: Convert to fraction form
5,564,049.20/8,344,000.20 = 3,876,138.80/x - Step 3: Cross multiply
5,564,049.20x = 8,344,000.20 × 3,876,138.80 - Step 4: Simplify right side
5,564,049.20x = 32,342,502,922,427.76 - Step 5: Solve for x
x = 32,342,502,922,427.76/5,564,049.20 - Step 6: Final answer
x = 5,812,763.65
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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.