Home / 2,251,195.08-3,106,625.54-1,218,679.72

Finding the Fourth Proportional to 2,251,195.08, 3,106,625.54 and 1,218,679.72

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Solution

The fourth proportional to 2,251,195.08, 3,106,625.54 and 1,218,679.72 is: 1,681,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,195.08 : 3,106,625.54 = 1,218,679.72 : x
  2. Step 2: Convert to fraction form
    2,251,195.08/3,106,625.54 = 1,218,679.72/x
  3. Step 3: Cross multiply
    2,251,195.08x = 3,106,625.54 × 1,218,679.72
  4. Step 4: Simplify right side
    2,251,195.08x = 3,785,981,543,232.05
  5. Step 5: Solve for x
    x = 3,785,981,543,232.05/2,251,195.08
  6. Step 6: Final answer
    x = 1,681,765.20

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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.