Home / 3,387,764.78-5,081,650.42-2,787,464.04

Finding the Fourth Proportional to 3,387,764.78, 5,081,650.42 and 2,787,464.04

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Solution

The fourth proportional to 3,387,764.78, 5,081,650.42 and 2,787,464.04 is: 4,181,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,764.78 : 5,081,650.42 = 2,787,464.04 : x
  2. Step 2: Convert to fraction form
    3,387,764.78/5,081,650.42 = 2,787,464.04/x
  3. Step 3: Cross multiply
    3,387,764.78x = 5,081,650.42 × 2,787,464.04
  4. Step 4: Simplify right side
    3,387,764.78x = 14,164,917,809,600.90
  5. Step 5: Solve for x
    x = 14,164,917,809,600.90/3,387,764.78
  6. Step 6: Final answer
    x = 4,181,198.73

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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.