Home / 2,188,230.80-3,279,721.80-1,122,724.40

Finding the Fourth Proportional to 2,188,230.80, 3,279,721.80 and 1,122,724.40

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Solution

The fourth proportional to 2,188,230.80, 3,279,721.80 and 1,122,724.40 is: 1,682,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,230.80 : 3,279,721.80 = 1,122,724.40 : x
  2. Step 2: Convert to fraction form
    2,188,230.80/3,279,721.80 = 1,122,724.40/x
  3. Step 3: Cross multiply
    2,188,230.80x = 3,279,721.80 × 1,122,724.40
  4. Step 4: Simplify right side
    2,188,230.80x = 3,682,223,690,071.92
  5. Step 5: Solve for x
    x = 3,682,223,690,071.92/2,188,230.80
  6. Step 6: Final answer
    x = 1,682,740.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.