Home / 6,321,141.78-8,723,198.77-3,420,532.66

Finding the Fourth Proportional to 6,321,141.78, 8,723,198.77 and 3,420,532.66

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Solution

The fourth proportional to 6,321,141.78, 8,723,198.77 and 3,420,532.66 is: 4,720,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,141.78 : 8,723,198.77 = 3,420,532.66 : x
  2. Step 2: Convert to fraction form
    6,321,141.78/8,723,198.77 = 3,420,532.66/x
  3. Step 3: Cross multiply
    6,321,141.78x = 8,723,198.77 × 3,420,532.66
  4. Step 4: Simplify right side
    6,321,141.78x = 29,837,986,292,456.83
  5. Step 5: Solve for x
    x = 29,837,986,292,456.83/6,321,141.78
  6. Step 6: Final answer
    x = 4,720,347.58

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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.