Home / 6,391,829.88-9,587,781.27-2,131,985.61

Finding the Fourth Proportional to 6,391,829.88, 9,587,781.27 and 2,131,985.61

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Solution

The fourth proportional to 6,391,829.88, 9,587,781.27 and 2,131,985.61 is: 3,197,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,829.88 : 9,587,781.27 = 2,131,985.61 : x
  2. Step 2: Convert to fraction form
    6,391,829.88/9,587,781.27 = 2,131,985.61/x
  3. Step 3: Cross multiply
    6,391,829.88x = 9,587,781.27 × 2,131,985.61
  4. Step 4: Simplify right side
    6,391,829.88x = 20,441,011,699,467.52
  5. Step 5: Solve for x
    x = 20,441,011,699,467.52/6,391,829.88
  6. Step 6: Final answer
    x = 3,197,990.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.