Home / 2,485,489.78-3,429,943.23-1,397,761.06

Finding the Fourth Proportional to 2,485,489.78, 3,429,943.23 and 1,397,761.06

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Solution

The fourth proportional to 2,485,489.78, 3,429,943.23 and 1,397,761.06 is: 1,928,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,489.78 : 3,429,943.23 = 1,397,761.06 : x
  2. Step 2: Convert to fraction form
    2,485,489.78/3,429,943.23 = 1,397,761.06/x
  3. Step 3: Cross multiply
    2,485,489.78x = 3,429,943.23 × 1,397,761.06
  4. Step 4: Simplify right side
    2,485,489.78x = 4,794,241,084,904.62
  5. Step 5: Solve for x
    x = 4,794,241,084,904.62/2,485,489.78
  6. Step 6: Final answer
    x = 1,928,891.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.