Home / 2,261,723.70-3,121,202.91-1,229,231.64

Finding the Fourth Proportional to 2,261,723.70, 3,121,202.91 and 1,229,231.64

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Solution

The fourth proportional to 2,261,723.70, 3,121,202.91 and 1,229,231.64 is: 1,696,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,723.70 : 3,121,202.91 = 1,229,231.64 : x
  2. Step 2: Convert to fraction form
    2,261,723.70/3,121,202.91 = 1,229,231.64/x
  3. Step 3: Cross multiply
    2,261,723.70x = 3,121,202.91 × 1,229,231.64
  4. Step 4: Simplify right side
    2,261,723.70x = 3,836,681,371,832.07
  5. Step 5: Solve for x
    x = 3,836,681,371,832.07/2,261,723.70
  6. Step 6: Final answer
    x = 1,696,352.82

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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.