Home / 3,867,200.80-5,800,801.20-2,187,584.80

Finding the Fourth Proportional to 3,867,200.80, 5,800,801.20 and 2,187,584.80

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Solution

The fourth proportional to 3,867,200.80, 5,800,801.20 and 2,187,584.80 is: 3,281,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,200.80 : 5,800,801.20 = 2,187,584.80 : x
  2. Step 2: Convert to fraction form
    3,867,200.80/5,800,801.20 = 2,187,584.80/x
  3. Step 3: Cross multiply
    3,867,200.80x = 5,800,801.20 × 2,187,584.80
  4. Step 4: Simplify right side
    3,867,200.80x = 12,689,744,532,941.76
  5. Step 5: Solve for x
    x = 12,689,744,532,941.76/3,867,200.80
  6. Step 6: Final answer
    x = 3,281,377.20

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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.