Home / 2,155,791.24-3,234,369.24-639,480.06

Finding the Fourth Proportional to 2,155,791.24, 3,234,369.24 and 639,480.06

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Solution

The fourth proportional to 2,155,791.24, 3,234,369.24 and 639,480.06 is: 959,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,791.24 : 3,234,369.24 = 639,480.06 : x
  2. Step 2: Convert to fraction form
    2,155,791.24/3,234,369.24 = 639,480.06/x
  3. Step 3: Cross multiply
    2,155,791.24x = 3,234,369.24 × 639,480.06
  4. Step 4: Simplify right side
    2,155,791.24x = 2,068,314,635,657.35
  5. Step 5: Solve for x
    x = 2,068,314,635,657.35/2,155,791.24
  6. Step 6: Final answer
    x = 959,422.51

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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.