Home / 2,680,390.40-4,019,203.20-996,627.20

Finding the Fourth Proportional to 2,680,390.40, 4,019,203.20 and 996,627.20

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Solution

The fourth proportional to 2,680,390.40, 4,019,203.20 and 996,627.20 is: 1,494,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,390.40 : 4,019,203.20 = 996,627.20 : x
  2. Step 2: Convert to fraction form
    2,680,390.40/4,019,203.20 = 996,627.20/x
  3. Step 3: Cross multiply
    2,680,390.40x = 4,019,203.20 × 996,627.20
  4. Step 4: Simplify right side
    2,680,390.40x = 4,005,647,231,447.04
  5. Step 5: Solve for x
    x = 4,005,647,231,447.04/2,680,390.40
  6. Step 6: Final answer
    x = 1,494,426.79

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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.