Home / 6,321,481.89-8,723,644.83-3,420,872.75

Finding the Fourth Proportional to 6,321,481.89, 8,723,644.83 and 3,420,872.75

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Solution

The fourth proportional to 6,321,481.89, 8,723,644.83 and 3,420,872.75 is: 4,720,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,481.89 : 8,723,644.83 = 3,420,872.75 : x
  2. Step 2: Convert to fraction form
    6,321,481.89/8,723,644.83 = 3,420,872.75/x
  3. Step 3: Cross multiply
    6,321,481.89x = 8,723,644.83 × 3,420,872.75
  4. Step 4: Simplify right side
    6,321,481.89x = 29,842,478,836,007.16
  5. Step 5: Solve for x
    x = 29,842,478,836,007.16/6,321,481.89
  6. Step 6: Final answer
    x = 4,720,804.29

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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.