Home / 2,919,227.20-4,379,259.30-897,640.90

Finding the Fourth Proportional to 2,919,227.20, 4,379,259.30 and 897,640.90

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Solution

The fourth proportional to 2,919,227.20, 4,379,259.30 and 897,640.90 is: 1,346,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,227.20 : 4,379,259.30 = 897,640.90 : x
  2. Step 2: Convert to fraction form
    2,919,227.20/4,379,259.30 = 897,640.90/x
  3. Step 3: Cross multiply
    2,919,227.20x = 4,379,259.30 × 897,640.90
  4. Step 4: Simplify right side
    2,919,227.20x = 3,931,002,259,385.37
  5. Step 5: Solve for x
    x = 3,931,002,259,385.37/2,919,227.20
  6. Step 6: Final answer
    x = 1,346,590.04

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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.