Home / 2,133,387.20-3,200,083.88-871,214.82

Finding the Fourth Proportional to 2,133,387.20, 3,200,083.88 and 871,214.82

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Solution

The fourth proportional to 2,133,387.20, 3,200,083.88 and 871,214.82 is: 1,306,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,387.20 : 3,200,083.88 = 871,214.82 : x
  2. Step 2: Convert to fraction form
    2,133,387.20/3,200,083.88 = 871,214.82/x
  3. Step 3: Cross multiply
    2,133,387.20x = 3,200,083.88 × 871,214.82
  4. Step 4: Simplify right side
    2,133,387.20x = 2,787,960,497,143.03
  5. Step 5: Solve for x
    x = 2,787,960,497,143.03/2,133,387.20
  6. Step 6: Final answer
    x = 1,306,823.49

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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.