Home / 2,220,608.10-3,330,912.15-800,807.70

Finding the Fourth Proportional to 2,220,608.10, 3,330,912.15 and 800,807.70

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Solution

The fourth proportional to 2,220,608.10, 3,330,912.15 and 800,807.70 is: 1,201,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,608.10 : 3,330,912.15 = 800,807.70 : x
  2. Step 2: Convert to fraction form
    2,220,608.10/3,330,912.15 = 800,807.70/x
  3. Step 3: Cross multiply
    2,220,608.10x = 3,330,912.15 × 800,807.70
  4. Step 4: Simplify right side
    2,220,608.10x = 2,667,420,097,743.55
  5. Step 5: Solve for x
    x = 2,667,420,097,743.55/2,220,608.10
  6. Step 6: Final answer
    x = 1,201,211.55

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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.