Finding the Fourth Proportional to 3,548,711.12, 5,325,174.84 and 1,306,423.76
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Solution
The fourth proportional to 3,548,711.12, 5,325,174.84 and 1,306,423.76 is: 1,960,411.74
Step by Step Solution
- Step 1: Write the proportion equation
3,548,711.12 : 5,325,174.84 = 1,306,423.76 : x - Step 2: Convert to fraction form
3,548,711.12/5,325,174.84 = 1,306,423.76/x - Step 3: Cross multiply
3,548,711.12x = 5,325,174.84 × 1,306,423.76 - Step 4: Simplify right side
3,548,711.12x = 6,956,934,937,130.20 - Step 5: Solve for x
x = 6,956,934,937,130.20/3,548,711.12 - Step 6: Final answer
x = 1,960,411.74
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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.