Home / 2,123,997.60-3,180,747.60-1,410,160.80

Finding the Fourth Proportional to 2,123,997.60, 3,180,747.60 and 1,410,160.80

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Solution

The fourth proportional to 2,123,997.60, 3,180,747.60 and 1,410,160.80 is: 2,111,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,997.60 : 3,180,747.60 = 1,410,160.80 : x
  2. Step 2: Convert to fraction form
    2,123,997.60/3,180,747.60 = 1,410,160.80/x
  3. Step 3: Cross multiply
    2,123,997.60x = 3,180,747.60 × 1,410,160.80
  4. Step 4: Simplify right side
    2,123,997.60x = 4,485,365,580,214.08
  5. Step 5: Solve for x
    x = 4,485,365,580,214.08/2,123,997.60
  6. Step 6: Final answer
    x = 2,111,756.43

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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.