Home / 2,181,838.50-3,270,512.17-967,986.78

Finding the Fourth Proportional to 2,181,838.50, 3,270,512.17 and 967,986.78

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Solution

The fourth proportional to 2,181,838.50, 3,270,512.17 and 967,986.78 is: 1,450,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,838.50 : 3,270,512.17 = 967,986.78 : x
  2. Step 2: Convert to fraction form
    2,181,838.50/3,270,512.17 = 967,986.78/x
  3. Step 3: Cross multiply
    2,181,838.50x = 3,270,512.17 × 967,986.78
  4. Step 4: Simplify right side
    2,181,838.50x = 3,165,812,544,389.11
  5. Step 5: Solve for x
    x = 3,165,812,544,389.11/2,181,838.50
  6. Step 6: Final answer
    x = 1,450,983.90

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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.