Home / 2,780,902.40-4,171,353.60-2,150,268.80

Finding the Fourth Proportional to 2,780,902.40, 4,171,353.60 and 2,150,268.80

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Solution

The fourth proportional to 2,780,902.40, 4,171,353.60 and 2,150,268.80 is: 3,225,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,902.40 : 4,171,353.60 = 2,150,268.80 : x
  2. Step 2: Convert to fraction form
    2,780,902.40/4,171,353.60 = 2,150,268.80/x
  3. Step 3: Cross multiply
    2,780,902.40x = 4,171,353.60 × 2,150,268.80
  4. Step 4: Simplify right side
    2,780,902.40x = 8,969,531,499,847.68
  5. Step 5: Solve for x
    x = 8,969,531,499,847.68/2,780,902.40
  6. Step 6: Final answer
    x = 3,225,403.20

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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.