Home / 2,275,781.76-3,412,588.86-677,784.60

Finding the Fourth Proportional to 2,275,781.76, 3,412,588.86 and 677,784.60

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Solution

The fourth proportional to 2,275,781.76, 3,412,588.86 and 677,784.60 is: 1,016,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,781.76 : 3,412,588.86 = 677,784.60 : x
  2. Step 2: Convert to fraction form
    2,275,781.76/3,412,588.86 = 677,784.60/x
  3. Step 3: Cross multiply
    2,275,781.76x = 3,412,588.86 × 677,784.60
  4. Step 4: Simplify right side
    2,275,781.76x = 2,313,000,175,439.56
  5. Step 5: Solve for x
    x = 2,313,000,175,439.56/2,275,781.76
  6. Step 6: Final answer
    x = 1,016,354.12

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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.