Home / 1,981,642.44-2,734,835.22-1,122,355.56

Finding the Fourth Proportional to 1,981,642.44, 2,734,835.22 and 1,122,355.56

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Solution

The fourth proportional to 1,981,642.44, 2,734,835.22 and 1,122,355.56 is: 1,548,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,642.44 : 2,734,835.22 = 1,122,355.56 : x
  2. Step 2: Convert to fraction form
    1,981,642.44/2,734,835.22 = 1,122,355.56/x
  3. Step 3: Cross multiply
    1,981,642.44x = 2,734,835.22 × 1,122,355.56
  4. Step 4: Simplify right side
    1,981,642.44x = 3,069,457,514,850.82
  5. Step 5: Solve for x
    x = 3,069,457,514,850.82/1,981,642.44
  6. Step 6: Final answer
    x = 1,548,946.19

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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.