Home / 2,356,171.20-3,251,469.60-1,389,342.24

Finding the Fourth Proportional to 2,356,171.20, 3,251,469.60 and 1,389,342.24

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Solution

The fourth proportional to 2,356,171.20, 3,251,469.60 and 1,389,342.24 is: 1,917,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356,171.20 : 3,251,469.60 = 1,389,342.24 : x
  2. Step 2: Convert to fraction form
    2,356,171.20/3,251,469.60 = 1,389,342.24/x
  3. Step 3: Cross multiply
    2,356,171.20x = 3,251,469.60 × 1,389,342.24
  4. Step 4: Simplify right side
    2,356,171.20x = 4,517,404,057,355.90
  5. Step 5: Solve for x
    x = 4,517,404,057,355.90/2,356,171.20
  6. Step 6: Final answer
    x = 1,917,264.78

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1.5x scale

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.