Home / 2,521,744.20-3,782,961.90-838,672.20

Finding the Fourth Proportional to 2,521,744.20, 3,782,961.90 and 838,672.20

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Solution

The fourth proportional to 2,521,744.20, 3,782,961.90 and 838,672.20 is: 1,258,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,744.20 : 3,782,961.90 = 838,672.20 : x
  2. Step 2: Convert to fraction form
    2,521,744.20/3,782,961.90 = 838,672.20/x
  3. Step 3: Cross multiply
    2,521,744.20x = 3,782,961.90 × 838,672.20
  4. Step 4: Simplify right side
    2,521,744.20x = 3,172,664,979,189.18
  5. Step 5: Solve for x
    x = 3,172,664,979,189.18/2,521,744.20
  6. Step 6: Final answer
    x = 1,258,123.24

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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.