Home / 5,423,013.93-7,484,422.94-3,131,170.77

Finding the Fourth Proportional to 5,423,013.93, 7,484,422.94 and 3,131,170.77

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Solution

The fourth proportional to 5,423,013.93, 7,484,422.94 and 3,131,170.77 is: 4,321,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,013.93 : 7,484,422.94 = 3,131,170.77 : x
  2. Step 2: Convert to fraction form
    5,423,013.93/7,484,422.94 = 3,131,170.77/x
  3. Step 3: Cross multiply
    5,423,013.93x = 7,484,422.94 × 3,131,170.77
  4. Step 4: Simplify right side
    5,423,013.93x = 23,435,006,324,389.61
  5. Step 5: Solve for x
    x = 23,435,006,324,389.61/5,423,013.93
  6. Step 6: Final answer
    x = 4,321,398.88

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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.