Home / 2,719,787.20-4,079,680.80-826,282.60

Finding the Fourth Proportional to 2,719,787.20, 4,079,680.80 and 826,282.60

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Solution

The fourth proportional to 2,719,787.20, 4,079,680.80 and 826,282.60 is: 1,239,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,787.20 : 4,079,680.80 = 826,282.60 : x
  2. Step 2: Convert to fraction form
    2,719,787.20/4,079,680.80 = 826,282.60/x
  3. Step 3: Cross multiply
    2,719,787.20x = 4,079,680.80 × 826,282.60
  4. Step 4: Simplify right side
    2,719,787.20x = 3,370,969,258,594.08
  5. Step 5: Solve for x
    x = 3,370,969,258,594.08/2,719,787.20
  6. Step 6: Final answer
    x = 1,239,423.90

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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.