Home / 5,450,380.28-8,176,836.90-1,856,178.44

Finding the Fourth Proportional to 5,450,380.28, 8,176,836.90 and 1,856,178.44

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Solution

The fourth proportional to 5,450,380.28, 8,176,836.90 and 1,856,178.44 is: 2,784,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,380.28 : 8,176,836.90 = 1,856,178.44 : x
  2. Step 2: Convert to fraction form
    5,450,380.28/8,176,836.90 = 1,856,178.44/x
  3. Step 3: Cross multiply
    5,450,380.28x = 8,176,836.90 × 1,856,178.44
  4. Step 4: Simplify right side
    5,450,380.28x = 15,177,668,361,176.44
  5. Step 5: Solve for x
    x = 15,177,668,361,176.44/5,450,380.28
  6. Step 6: Final answer
    x = 2,784,698.97

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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.