Home / 2,485,781.36-3,429,983.04-1,397,842.83

Finding the Fourth Proportional to 2,485,781.36, 3,429,983.04 and 1,397,842.83

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Solution

The fourth proportional to 2,485,781.36, 3,429,983.04 and 1,397,842.83 is: 1,928,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,781.36 : 3,429,983.04 = 1,397,842.83 : x
  2. Step 2: Convert to fraction form
    2,485,781.36/3,429,983.04 = 1,397,842.83/x
  3. Step 3: Cross multiply
    2,485,781.36x = 3,429,983.04 × 1,397,842.83
  4. Step 4: Simplify right side
    2,485,781.36x = 4,794,577,194,243.69
  5. Step 5: Solve for x
    x = 4,794,577,194,243.69/2,485,781.36
  6. Step 6: Final answer
    x = 1,928,800.85

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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.