Home / 2,279,700.18-3,145,974.80-1,247,189.27

Finding the Fourth Proportional to 2,279,700.18, 3,145,974.80 and 1,247,189.27

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Solution

The fourth proportional to 2,279,700.18, 3,145,974.80 and 1,247,189.27 is: 1,721,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,700.18 : 3,145,974.80 = 1,247,189.27 : x
  2. Step 2: Convert to fraction form
    2,279,700.18/3,145,974.80 = 1,247,189.27/x
  3. Step 3: Cross multiply
    2,279,700.18x = 3,145,974.80 × 1,247,189.27
  4. Step 4: Simplify right side
    2,279,700.18x = 3,923,625,992,284.58
  5. Step 5: Solve for x
    x = 3,923,625,992,284.58/2,279,700.18
  6. Step 6: Final answer
    x = 1,721,114.92

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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.