Home / 3,587,992.78-4,952,629.87-2,138,142.86

Finding the Fourth Proportional to 3,587,992.78, 4,952,629.87 and 2,138,142.86

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Solution

The fourth proportional to 3,587,992.78, 4,952,629.87 and 2,138,142.86 is: 2,951,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,992.78 : 4,952,629.87 = 2,138,142.86 : x
  2. Step 2: Convert to fraction form
    3,587,992.78/4,952,629.87 = 2,138,142.86/x
  3. Step 3: Cross multiply
    3,587,992.78x = 4,952,629.87 × 2,138,142.86
  4. Step 4: Simplify right side
    3,587,992.78x = 10,589,430,194,763.23
  5. Step 5: Solve for x
    x = 10,589,430,194,763.23/3,587,992.78
  6. Step 6: Final answer
    x = 2,951,352.15

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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.