Home / 5,381,861.20-7,428,767.88-3,207,086.44

Finding the Fourth Proportional to 5,381,861.20, 7,428,767.88 and 3,207,086.44

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Solution

The fourth proportional to 5,381,861.20, 7,428,767.88 and 3,207,086.44 is: 4,426,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,861.20 : 7,428,767.88 = 3,207,086.44 : x
  2. Step 2: Convert to fraction form
    5,381,861.20/7,428,767.88 = 3,207,086.44/x
  3. Step 3: Cross multiply
    5,381,861.20x = 7,428,767.88 × 3,207,086.44
  4. Step 4: Simplify right side
    5,381,861.20x = 23,824,700,733,855.55
  5. Step 5: Solve for x
    x = 23,824,700,733,855.55/5,381,861.20
  6. Step 6: Final answer
    x = 4,426,851.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.