Home / 2,888,581.12-4,331,251.86-1,978,791.52

Finding the Fourth Proportional to 2,888,581.12, 4,331,251.86 and 1,978,791.52

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Solution

The fourth proportional to 2,888,581.12, 4,331,251.86 and 1,978,791.52 is: 2,967,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,581.12 : 4,331,251.86 = 1,978,791.52 : x
  2. Step 2: Convert to fraction form
    2,888,581.12/4,331,251.86 = 1,978,791.52/x
  3. Step 3: Cross multiply
    2,888,581.12x = 4,331,251.86 × 1,978,791.52
  4. Step 4: Simplify right side
    2,888,581.12x = 8,570,644,451,552.23
  5. Step 5: Solve for x
    x = 8,570,644,451,552.23/2,888,581.12
  6. Step 6: Final answer
    x = 2,967,077.64

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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.