Home / 2,215,768.72-3,324,213.80-618,331.60

Finding the Fourth Proportional to 2,215,768.72, 3,324,213.80 and 618,331.60

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Solution

The fourth proportional to 2,215,768.72, 3,324,213.80 and 618,331.60 is: 927,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,768.72 : 3,324,213.80 = 618,331.60 : x
  2. Step 2: Convert to fraction form
    2,215,768.72/3,324,213.80 = 618,331.60/x
  3. Step 3: Cross multiply
    2,215,768.72x = 3,324,213.80 × 618,331.60
  4. Step 4: Simplify right side
    2,215,768.72x = 2,055,466,437,696.08
  5. Step 5: Solve for x
    x = 2,055,466,437,696.08/2,215,768.72
  6. Step 6: Final answer
    x = 927,653.87

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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.