Home / 5,261,472.20-7,899,469.16-3,638,258.92

Finding the Fourth Proportional to 5,261,472.20, 7,899,469.16 and 3,638,258.92

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Solution

The fourth proportional to 5,261,472.20, 7,899,469.16 and 3,638,258.92 is: 5,462,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,472.20 : 7,899,469.16 = 3,638,258.92 : x
  2. Step 2: Convert to fraction form
    5,261,472.20/7,899,469.16 = 3,638,258.92/x
  3. Step 3: Cross multiply
    5,261,472.20x = 7,899,469.16 × 3,638,258.92
  4. Step 4: Simplify right side
    5,261,472.20x = 28,740,314,134,634.91
  5. Step 5: Solve for x
    x = 28,740,314,134,634.91/5,261,472.20
  6. Step 6: Final answer
    x = 5,462,409.20

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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.