Home / 3,867,200.80-5,800,801.20-3,703,386.40

Finding the Fourth Proportional to 3,867,200.80, 5,800,801.20 and 3,703,386.40

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Solution

The fourth proportional to 3,867,200.80, 5,800,801.20 and 3,703,386.40 is: 5,555,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,200.80 : 5,800,801.20 = 3,703,386.40 : x
  2. Step 2: Convert to fraction form
    3,867,200.80/5,800,801.20 = 3,703,386.40/x
  3. Step 3: Cross multiply
    3,867,200.80x = 5,800,801.20 × 3,703,386.40
  4. Step 4: Simplify right side
    3,867,200.80x = 21,482,608,273,183.68
  5. Step 5: Solve for x
    x = 21,482,608,273,183.68/3,867,200.80
  6. Step 6: Final answer
    x = 5,555,079.60

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Similar ratio
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1.5x scale

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.