Home / 3,189,874.33-4,402,034-1,813,227.22

Finding the Fourth Proportional to 3,189,874.33, 4,402,034 and 1,813,227.22

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Solution

The fourth proportional to 3,189,874.33, 4,402,034 and 1,813,227.22 is: 2,502,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,874.33 : 4,402,034 = 1,813,227.22 : x
  2. Step 2: Convert to fraction form
    3,189,874.33/4,402,034 = 1,813,227.22/x
  3. Step 3: Cross multiply
    3,189,874.33x = 4,402,034 × 1,813,227.22
  4. Step 4: Simplify right side
    3,189,874.33x = 7,981,887,872,165.48
  5. Step 5: Solve for x
    x = 7,981,887,872,165.48/3,189,874.33
  6. Step 6: Final answer
    x = 2,502,257.78

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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.