Home / 2,238,123.20-3,356,828.40-742,215.20

Finding the Fourth Proportional to 2,238,123.20, 3,356,828.40 and 742,215.20

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Solution

The fourth proportional to 2,238,123.20, 3,356,828.40 and 742,215.20 is: 1,113,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,123.20 : 3,356,828.40 = 742,215.20 : x
  2. Step 2: Convert to fraction form
    2,238,123.20/3,356,828.40 = 742,215.20/x
  3. Step 3: Cross multiply
    2,238,123.20x = 3,356,828.40 × 742,215.20
  4. Step 4: Simplify right side
    2,238,123.20x = 2,491,489,062,271.68
  5. Step 5: Solve for x
    x = 2,491,489,062,271.68/2,238,123.20
  6. Step 6: Final answer
    x = 1,113,204.61

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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.