Home / 3,200,078.39-4,800,122.21-1,306,819.83

Finding the Fourth Proportional to 3,200,078.39, 4,800,122.21 and 1,306,819.83

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Solution

The fourth proportional to 3,200,078.39, 4,800,122.21 and 1,306,819.83 is: 1,960,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,078.39 : 4,800,122.21 = 1,306,819.83 : x
  2. Step 2: Convert to fraction form
    3,200,078.39/4,800,122.21 = 1,306,819.83/x
  3. Step 3: Cross multiply
    3,200,078.39x = 4,800,122.21 × 1,306,819.83
  4. Step 4: Simplify right side
    3,200,078.39x = 6,272,894,875,529.60
  5. Step 5: Solve for x
    x = 6,272,894,875,529.60/3,200,078.39
  6. Step 6: Final answer
    x = 1,960,231.63

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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.