Home / 2,214,168.78-3,309,121.64-1,616,388.78

Finding the Fourth Proportional to 2,214,168.78, 3,309,121.64 and 1,616,388.78

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Solution

The fourth proportional to 2,214,168.78, 3,309,121.64 and 1,616,388.78 is: 2,415,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,168.78 : 3,309,121.64 = 1,616,388.78 : x
  2. Step 2: Convert to fraction form
    2,214,168.78/3,309,121.64 = 1,616,388.78/x
  3. Step 3: Cross multiply
    2,214,168.78x = 3,309,121.64 × 1,616,388.78
  4. Step 4: Simplify right side
    2,214,168.78x = 5,348,827,082,469.26
  5. Step 5: Solve for x
    x = 5,348,827,082,469.26/2,214,168.78
  6. Step 6: Final answer
    x = 2,415,726.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.