Finding the Fourth Proportional to 5,905,461.17, 8,857,350.64 and 1,861,423.42
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Solution
The fourth proportional to 5,905,461.17, 8,857,350.64 and 1,861,423.42 is: 2,791,870.01
Step by Step Solution
- Step 1: Write the proportion equation
5,905,461.17 : 8,857,350.64 = 1,861,423.42 : x - Step 2: Convert to fraction form
5,905,461.17/8,857,350.64 = 1,861,423.42/x - Step 3: Cross multiply
5,905,461.17x = 8,857,350.64 × 1,861,423.42 - Step 4: Simplify right side
5,905,461.17x = 16,487,279,920,447.99 - Step 5: Solve for x
x = 16,487,279,920,447.99/5,905,461.17 - Step 6: Final answer
x = 2,791,870.01
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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.