Home / 1,981,741.82-2,734,712.17-1,122,308.26

Finding the Fourth Proportional to 1,981,741.82, 2,734,712.17 and 1,122,308.26

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Solution

The fourth proportional to 1,981,741.82, 2,734,712.17 and 1,122,308.26 is: 1,548,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,741.82 : 2,734,712.17 = 1,122,308.26 : x
  2. Step 2: Convert to fraction form
    1,981,741.82/2,734,712.17 = 1,122,308.26/x
  3. Step 3: Cross multiply
    1,981,741.82x = 2,734,712.17 × 1,122,308.26
  4. Step 4: Simplify right side
    1,981,741.82x = 3,069,190,047,470.97
  5. Step 5: Solve for x
    x = 3,069,190,047,470.97/1,981,741.82
  6. Step 6: Final answer
    x = 1,548,733.56

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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.