Home / 6,321,462.47-8,723,618.21-3,420,853.37

Finding the Fourth Proportional to 6,321,462.47, 8,723,618.21 and 3,420,853.37

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Solution

The fourth proportional to 6,321,462.47, 8,723,618.21 and 3,420,853.37 is: 4,720,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,462.47 : 8,723,618.21 = 3,420,853.37 : x
  2. Step 2: Convert to fraction form
    6,321,462.47/8,723,618.21 = 3,420,853.37/x
  3. Step 3: Cross multiply
    6,321,462.47x = 8,723,618.21 × 3,420,853.37
  4. Step 4: Simplify right side
    6,321,462.47x = 29,842,218,735,167.60
  5. Step 5: Solve for x
    x = 29,842,218,735,167.60/6,321,462.47
  6. Step 6: Final answer
    x = 4,720,777.65

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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.