Home / 2,134,234.70-3,200,257.65-638,132.30

Finding the Fourth Proportional to 2,134,234.70, 3,200,257.65 and 638,132.30

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Solution

The fourth proportional to 2,134,234.70, 3,200,257.65 and 638,132.30 is: 956,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,234.70 : 3,200,257.65 = 638,132.30 : x
  2. Step 2: Convert to fraction form
    2,134,234.70/3,200,257.65 = 638,132.30/x
  3. Step 3: Cross multiply
    2,134,234.70x = 3,200,257.65 × 638,132.30
  4. Step 4: Simplify right side
    2,134,234.70x = 2,042,187,774,787.10
  5. Step 5: Solve for x
    x = 2,042,187,774,787.10/2,134,234.70
  6. Step 6: Final answer
    x = 956,871.23

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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.