Home / 2,005,221.87-2,764,144.87-1,229,416.42

Finding the Fourth Proportional to 2,005,221.87, 2,764,144.87 and 1,229,416.42

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Solution

The fourth proportional to 2,005,221.87, 2,764,144.87 and 1,229,416.42 is: 1,694,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,221.87 : 2,764,144.87 = 1,229,416.42 : x
  2. Step 2: Convert to fraction form
    2,005,221.87/2,764,144.87 = 1,229,416.42/x
  3. Step 3: Cross multiply
    2,005,221.87x = 2,764,144.87 × 1,229,416.42
  4. Step 4: Simplify right side
    2,005,221.87x = 3,398,285,094,273.59
  5. Step 5: Solve for x
    x = 3,398,285,094,273.59/2,005,221.87
  6. Step 6: Final answer
    x = 1,694,717.75

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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.