Home / 2,133,393.20-3,200,092.88-871,220.82

Finding the Fourth Proportional to 2,133,393.20, 3,200,092.88 and 871,220.82

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Solution

The fourth proportional to 2,133,393.20, 3,200,092.88 and 871,220.82 is: 1,306,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,393.20 : 3,200,092.88 = 871,220.82 : x
  2. Step 2: Convert to fraction form
    2,133,393.20/3,200,092.88 = 871,220.82/x
  3. Step 3: Cross multiply
    2,133,393.20x = 3,200,092.88 × 871,220.82
  4. Step 4: Simplify right side
    2,133,393.20x = 2,787,987,538,633.66
  5. Step 5: Solve for x
    x = 2,787,987,538,633.66/2,133,393.20
  6. Step 6: Final answer
    x = 1,306,832.49

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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.