Home / 2,639,546.40-3,958,930.80-746,479.20

Finding the Fourth Proportional to 2,639,546.40, 3,958,930.80 and 746,479.20

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Solution

The fourth proportional to 2,639,546.40, 3,958,930.80 and 746,479.20 is: 1,119,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,546.40 : 3,958,930.80 = 746,479.20 : x
  2. Step 2: Convert to fraction form
    2,639,546.40/3,958,930.80 = 746,479.20/x
  3. Step 3: Cross multiply
    2,639,546.40x = 3,958,930.80 × 746,479.20
  4. Step 4: Simplify right side
    2,639,546.40x = 2,955,259,496,439.36
  5. Step 5: Solve for x
    x = 2,955,259,496,439.36/2,639,546.40
  6. Step 6: Final answer
    x = 1,119,608.85

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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.