Finding the Fourth Proportional to 4,340,103.80, 6,491,723.70 and 3,894,049.40
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Solution
The fourth proportional to 4,340,103.80, 6,491,723.70 and 3,894,049.40 is: 5,824,536.45
Step by Step Solution
- Step 1: Write the proportion equation
4,340,103.80 : 6,491,723.70 = 3,894,049.40 : x - Step 2: Convert to fraction form
4,340,103.80/6,491,723.70 = 3,894,049.40/x - Step 3: Cross multiply
4,340,103.80x = 6,491,723.70 × 3,894,049.40 - Step 4: Simplify right side
4,340,103.80x = 25,279,092,778,950.78 - Step 5: Solve for x
x = 25,279,092,778,950.78/4,340,103.80 - Step 6: Final answer
x = 5,824,536.45
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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.