Home / 2,919,217.20-4,379,244.30-897,630.90

Finding the Fourth Proportional to 2,919,217.20, 4,379,244.30 and 897,630.90

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Solution

The fourth proportional to 2,919,217.20, 4,379,244.30 and 897,630.90 is: 1,346,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,217.20 : 4,379,244.30 = 897,630.90 : x
  2. Step 2: Convert to fraction form
    2,919,217.20/4,379,244.30 = 897,630.90/x
  3. Step 3: Cross multiply
    2,919,217.20x = 4,379,244.30 × 897,630.90
  4. Step 4: Simplify right side
    2,919,217.20x = 3,930,945,002,328.87
  5. Step 5: Solve for x
    x = 3,930,945,002,328.87/2,919,217.20
  6. Step 6: Final answer
    x = 1,346,575.03

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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.