Home / 2,297,719.40-3,446,732.70-781,380.20

Finding the Fourth Proportional to 2,297,719.40, 3,446,732.70 and 781,380.20

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Solution

The fourth proportional to 2,297,719.40, 3,446,732.70 and 781,380.20 is: 1,172,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297,719.40 : 3,446,732.70 = 781,380.20 : x
  2. Step 2: Convert to fraction form
    2,297,719.40/3,446,732.70 = 781,380.20/x
  3. Step 3: Cross multiply
    2,297,719.40x = 3,446,732.70 × 781,380.20
  4. Step 4: Simplify right side
    2,297,719.40x = 2,693,208,686,472.54
  5. Step 5: Solve for x
    x = 2,693,208,686,472.54/2,297,719.40
  6. Step 6: Final answer
    x = 1,172,122.53

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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.