Home / 2,187,686.20-3,275,999.70-1,435,660.60

Finding the Fourth Proportional to 2,187,686.20, 3,275,999.70 and 1,435,660.60

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Solution

The fourth proportional to 2,187,686.20, 3,275,999.70 and 1,435,660.60 is: 2,149,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,686.20 : 3,275,999.70 = 1,435,660.60 : x
  2. Step 2: Convert to fraction form
    2,187,686.20/3,275,999.70 = 1,435,660.60/x
  3. Step 3: Cross multiply
    2,187,686.20x = 3,275,999.70 × 1,435,660.60
  4. Step 4: Simplify right side
    2,187,686.20x = 4,703,223,694,901.82
  5. Step 5: Solve for x
    x = 4,703,223,694,901.82/2,187,686.20
  6. Step 6: Final answer
    x = 2,149,862.12

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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.