Home / 2,640,110.83-3,961,832.16-1,123,791.34

Finding the Fourth Proportional to 2,640,110.83, 3,961,832.16 and 1,123,791.34

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Solution

The fourth proportional to 2,640,110.83, 3,961,832.16 and 1,123,791.34 is: 1,686,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,110.83 : 3,961,832.16 = 1,123,791.34 : x
  2. Step 2: Convert to fraction form
    2,640,110.83/3,961,832.16 = 1,123,791.34/x
  3. Step 3: Cross multiply
    2,640,110.83x = 3,961,832.16 × 1,123,791.34
  4. Step 4: Simplify right side
    2,640,110.83x = 4,452,272,676,227.12
  5. Step 5: Solve for x
    x = 4,452,272,676,227.12/2,640,110.83
  6. Step 6: Final answer
    x = 1,686,396.12

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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.