Home / 3,979,192.32-5,491,292.40-2,168,356.32

Finding the Fourth Proportional to 3,979,192.32, 5,491,292.40 and 2,168,356.32

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Solution

The fourth proportional to 3,979,192.32, 5,491,292.40 and 2,168,356.32 is: 2,992,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,192.32 : 5,491,292.40 = 2,168,356.32 : x
  2. Step 2: Convert to fraction form
    3,979,192.32/5,491,292.40 = 2,168,356.32/x
  3. Step 3: Cross multiply
    3,979,192.32x = 5,491,292.40 × 2,168,356.32
  4. Step 4: Simplify right side
    3,979,192.32x = 11,907,078,580,507.97
  5. Step 5: Solve for x
    x = 11,907,078,580,507.97/3,979,192.32
  6. Step 6: Final answer
    x = 2,992,335.54

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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.