Home / 6,321,456.68-8,723,610.21-3,420,847.54

Finding the Fourth Proportional to 6,321,456.68, 8,723,610.21 and 3,420,847.54

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Solution

The fourth proportional to 6,321,456.68, 8,723,610.21 and 3,420,847.54 is: 4,720,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,456.68 : 8,723,610.21 = 3,420,847.54 : x
  2. Step 2: Convert to fraction form
    6,321,456.68/8,723,610.21 = 3,420,847.54/x
  3. Step 3: Cross multiply
    6,321,456.68x = 8,723,610.21 × 3,420,847.54
  4. Step 4: Simplify right side
    6,321,456.68x = 29,842,140,550,530.07
  5. Step 5: Solve for x
    x = 29,842,140,550,530.07/6,321,456.68
  6. Step 6: Final answer
    x = 4,720,769.61

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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.