Home / 3,969,834.54-5,954,788.40-1,129,945.92

Finding the Fourth Proportional to 3,969,834.54, 5,954,788.40 and 1,129,945.92

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Solution

The fourth proportional to 3,969,834.54, 5,954,788.40 and 1,129,945.92 is: 1,694,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,834.54 : 5,954,788.40 = 1,129,945.92 : x
  2. Step 2: Convert to fraction form
    3,969,834.54/5,954,788.40 = 1,129,945.92/x
  3. Step 3: Cross multiply
    3,969,834.54x = 5,954,788.40 × 1,129,945.92
  4. Step 4: Simplify right side
    3,969,834.54x = 6,728,588,851,393.60
  5. Step 5: Solve for x
    x = 6,728,588,851,393.60/3,969,834.54
  6. Step 6: Final answer
    x = 1,694,929.29

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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.