Home / 6,321,568.78-8,723,764.62-3,420,959.32

Finding the Fourth Proportional to 6,321,568.78, 8,723,764.62 and 3,420,959.32

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Solution

The fourth proportional to 6,321,568.78, 8,723,764.62 and 3,420,959.32 is: 4,720,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,568.78 : 8,723,764.62 = 3,420,959.32 : x
  2. Step 2: Convert to fraction form
    6,321,568.78/8,723,764.62 = 3,420,959.32/x
  3. Step 3: Cross multiply
    6,321,568.78x = 8,723,764.62 × 3,420,959.32
  4. Step 4: Simplify right side
    6,321,568.78x = 29,843,643,882,275.25
  5. Step 5: Solve for x
    x = 29,843,643,882,275.25/6,321,568.78
  6. Step 6: Final answer
    x = 4,720,923.70

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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.