Home / 3,940,480.27-5,437,959.09-2,198,137.26

Finding the Fourth Proportional to 3,940,480.27, 5,437,959.09 and 2,198,137.26

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Solution

The fourth proportional to 3,940,480.27, 5,437,959.09 and 2,198,137.26 is: 3,033,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,480.27 : 5,437,959.09 = 2,198,137.26 : x
  2. Step 2: Convert to fraction form
    3,940,480.27/5,437,959.09 = 2,198,137.26/x
  3. Step 3: Cross multiply
    3,940,480.27x = 5,437,959.09 × 2,198,137.26
  4. Step 4: Simplify right side
    3,940,480.27x = 11,953,380,483,094.01
  5. Step 5: Solve for x
    x = 11,953,380,483,094.01/3,940,480.27
  6. Step 6: Final answer
    x = 3,033,483.15

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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.