Home / 5,188,608.40-7,782,912.60-2,797,123.90

Finding the Fourth Proportional to 5,188,608.40, 7,782,912.60 and 2,797,123.90

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Solution

The fourth proportional to 5,188,608.40, 7,782,912.60 and 2,797,123.90 is: 4,195,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,608.40 : 7,782,912.60 = 2,797,123.90 : x
  2. Step 2: Convert to fraction form
    5,188,608.40/7,782,912.60 = 2,797,123.90/x
  3. Step 3: Cross multiply
    5,188,608.40x = 7,782,912.60 × 2,797,123.90
  4. Step 4: Simplify right side
    5,188,608.40x = 21,769,770,845,071.14
  5. Step 5: Solve for x
    x = 21,769,770,845,071.14/5,188,608.40
  6. Step 6: Final answer
    x = 4,195,685.85

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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.