Home / 5,422,071.28-8,134,001.16-2,226,349.12

Finding the Fourth Proportional to 5,422,071.28, 8,134,001.16 and 2,226,349.12

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Solution

The fourth proportional to 5,422,071.28, 8,134,001.16 and 2,226,349.12 is: 3,339,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,071.28 : 8,134,001.16 = 2,226,349.12 : x
  2. Step 2: Convert to fraction form
    5,422,071.28/8,134,001.16 = 2,226,349.12/x
  3. Step 3: Cross multiply
    5,422,071.28x = 8,134,001.16 × 2,226,349.12
  4. Step 4: Simplify right side
    5,422,071.28x = 18,109,126,324,644.98
  5. Step 5: Solve for x
    x = 18,109,126,324,644.98/5,422,071.28
  6. Step 6: Final answer
    x = 3,339,890.86

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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.