Home / 2,199,800.70-3,299,701.05-2,120,084.55

Finding the Fourth Proportional to 2,199,800.70, 3,299,701.05 and 2,120,084.55

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Solution

The fourth proportional to 2,199,800.70, 3,299,701.05 and 2,120,084.55 is: 3,180,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,800.70 : 3,299,701.05 = 2,120,084.55 : x
  2. Step 2: Convert to fraction form
    2,199,800.70/3,299,701.05 = 2,120,084.55/x
  3. Step 3: Cross multiply
    2,199,800.70x = 3,299,701.05 × 2,120,084.55
  4. Step 4: Simplify right side
    2,199,800.70x = 6,995,645,215,723.78
  5. Step 5: Solve for x
    x = 6,995,645,215,723.78/2,199,800.70
  6. Step 6: Final answer
    x = 3,180,126.83

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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.