Home / 3,979,200.32-5,491,303.44-2,168,364.32

Finding the Fourth Proportional to 3,979,200.32, 5,491,303.44 and 2,168,364.32

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Solution

The fourth proportional to 3,979,200.32, 5,491,303.44 and 2,168,364.32 is: 2,992,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,200.32 : 5,491,303.44 = 2,168,364.32 : x
  2. Step 2: Convert to fraction form
    3,979,200.32/5,491,303.44 = 2,168,364.32/x
  3. Step 3: Cross multiply
    3,979,200.32x = 5,491,303.44 × 2,168,364.32
  4. Step 4: Simplify right side
    3,979,200.32x = 11,907,146,449,589.26
  5. Step 5: Solve for x
    x = 11,907,146,449,589.26/3,979,200.32
  6. Step 6: Final answer
    x = 2,992,346.58

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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.