Home / 1,981,735.50-2,734,703.46-1,122,301.92

Finding the Fourth Proportional to 1,981,735.50, 2,734,703.46 and 1,122,301.92

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Solution

The fourth proportional to 1,981,735.50, 2,734,703.46 and 1,122,301.92 is: 1,548,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,735.50 : 2,734,703.46 = 1,122,301.92 : x
  2. Step 2: Convert to fraction form
    1,981,735.50/2,734,703.46 = 1,122,301.92/x
  3. Step 3: Cross multiply
    1,981,735.50x = 2,734,703.46 × 1,122,301.92
  4. Step 4: Simplify right side
    1,981,735.50x = 3,069,162,943,788.64
  5. Step 5: Solve for x
    x = 3,069,162,943,788.64/1,981,735.50
  6. Step 6: Final answer
    x = 1,548,724.81

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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.