Home / 3,949,287.20-5,923,930.80-957,471.20

Finding the Fourth Proportional to 3,949,287.20, 5,923,930.80 and 957,471.20

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Solution

The fourth proportional to 3,949,287.20, 5,923,930.80 and 957,471.20 is: 1,436,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,287.20 : 5,923,930.80 = 957,471.20 : x
  2. Step 2: Convert to fraction form
    3,949,287.20/5,923,930.80 = 957,471.20/x
  3. Step 3: Cross multiply
    3,949,287.20x = 5,923,930.80 × 957,471.20
  4. Step 4: Simplify right side
    3,949,287.20x = 5,671,993,131,792.96
  5. Step 5: Solve for x
    x = 5,671,993,131,792.96/3,949,287.20
  6. Step 6: Final answer
    x = 1,436,206.80

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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.