Home / 2,155,319.38-3,232,979.07-876,622.55

Finding the Fourth Proportional to 2,155,319.38, 3,232,979.07 and 876,622.55

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Solution

The fourth proportional to 2,155,319.38, 3,232,979.07 and 876,622.55 is: 1,314,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,319.38 : 3,232,979.07 = 876,622.55 : x
  2. Step 2: Convert to fraction form
    2,155,319.38/3,232,979.07 = 876,622.55/x
  3. Step 3: Cross multiply
    2,155,319.38x = 3,232,979.07 × 876,622.55
  4. Step 4: Simplify right side
    2,155,319.38x = 2,834,102,335,892.02
  5. Step 5: Solve for x
    x = 2,834,102,335,892.02/2,155,319.38
  6. Step 6: Final answer
    x = 1,314,933.82

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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.