Home / 3,969,865.56-5,954,834.25-1,129,976.40

Finding the Fourth Proportional to 3,969,865.56, 5,954,834.25 and 1,129,976.40

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Solution

The fourth proportional to 3,969,865.56, 5,954,834.25 and 1,129,976.40 is: 1,694,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,865.56 : 5,954,834.25 = 1,129,976.40 : x
  2. Step 2: Convert to fraction form
    3,969,865.56/5,954,834.25 = 1,129,976.40/x
  3. Step 3: Cross multiply
    3,969,865.56x = 5,954,834.25 × 1,129,976.40
  4. Step 4: Simplify right side
    3,969,865.56x = 6,728,822,168,411.70
  5. Step 5: Solve for x
    x = 6,728,822,168,411.70/3,969,865.56
  6. Step 6: Final answer
    x = 1,694,974.82

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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.