Home / 2,138,444.98-3,206,708.76-1,274,287.46

Finding the Fourth Proportional to 2,138,444.98, 3,206,708.76 and 1,274,287.46

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Solution

The fourth proportional to 2,138,444.98, 3,206,708.76 and 1,274,287.46 is: 1,910,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,444.98 : 3,206,708.76 = 1,274,287.46 : x
  2. Step 2: Convert to fraction form
    2,138,444.98/3,206,708.76 = 1,274,287.46/x
  3. Step 3: Cross multiply
    2,138,444.98x = 3,206,708.76 × 1,274,287.46
  4. Step 4: Simplify right side
    2,138,444.98x = 4,086,268,760,740.15
  5. Step 5: Solve for x
    x = 4,086,268,760,740.15/2,138,444.98
  6. Step 6: Final answer
    x = 1,910,859.90

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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.