Home / 2,135,997.40-3,203,996.10-1,994,992.60

Finding the Fourth Proportional to 2,135,997.40, 3,203,996.10 and 1,994,992.60

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Solution

The fourth proportional to 2,135,997.40, 3,203,996.10 and 1,994,992.60 is: 2,992,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,997.40 : 3,203,996.10 = 1,994,992.60 : x
  2. Step 2: Convert to fraction form
    2,135,997.40/3,203,996.10 = 1,994,992.60/x
  3. Step 3: Cross multiply
    2,135,997.40x = 3,203,996.10 × 1,994,992.60
  4. Step 4: Simplify right side
    2,135,997.40x = 6,391,948,509,928.86
  5. Step 5: Solve for x
    x = 6,391,948,509,928.86/2,135,997.40
  6. Step 6: Final answer
    x = 2,992,488.90

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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.