Home / 3,412,748.93-5,119,137.45-853,956.90

Finding the Fourth Proportional to 3,412,748.93, 5,119,137.45 and 853,956.90

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Solution

The fourth proportional to 3,412,748.93, 5,119,137.45 and 853,956.90 is: 1,280,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,748.93 : 5,119,137.45 = 853,956.90 : x
  2. Step 2: Convert to fraction form
    3,412,748.93/5,119,137.45 = 853,956.90/x
  3. Step 3: Cross multiply
    3,412,748.93x = 5,119,137.45 × 853,956.90
  4. Step 4: Simplify right side
    3,412,748.93x = 4,371,522,747,475.91
  5. Step 5: Solve for x
    x = 4,371,522,747,475.91/3,412,748.93
  6. Step 6: Final answer
    x = 1,280,938.87

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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.