Home / 2,728,150.20-4,089,600.90-2,120,601.60

Finding the Fourth Proportional to 2,728,150.20, 4,089,600.90 and 2,120,601.60

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Solution

The fourth proportional to 2,728,150.20, 4,089,600.90 and 2,120,601.60 is: 3,178,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,150.20 : 4,089,600.90 = 2,120,601.60 : x
  2. Step 2: Convert to fraction form
    2,728,150.20/4,089,600.90 = 2,120,601.60/x
  3. Step 3: Cross multiply
    2,728,150.20x = 4,089,600.90 × 2,120,601.60
  4. Step 4: Simplify right side
    2,728,150.20x = 8,672,414,211,901.44
  5. Step 5: Solve for x
    x = 8,672,414,211,901.44/2,728,150.20
  6. Step 6: Final answer
    x = 3,178,862.44

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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.