Home / 3,965,028.06-5,471,398.59-2,198,976.96

Finding the Fourth Proportional to 3,965,028.06, 5,471,398.59 and 2,198,976.96

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Solution

The fourth proportional to 3,965,028.06, 5,471,398.59 and 2,198,976.96 is: 3,034,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,028.06 : 5,471,398.59 = 2,198,976.96 : x
  2. Step 2: Convert to fraction form
    3,965,028.06/5,471,398.59 = 2,198,976.96/x
  3. Step 3: Cross multiply
    3,965,028.06x = 5,471,398.59 × 2,198,976.96
  4. Step 4: Simplify right side
    3,965,028.06x = 12,031,479,438,386.49
  5. Step 5: Solve for x
    x = 12,031,479,438,386.49/3,965,028.06
  6. Step 6: Final answer
    x = 3,034,399.57

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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.