Home / 3,997,197.40-5,998,081.50-1,691,508.90

Finding the Fourth Proportional to 3,997,197.40, 5,998,081.50 and 1,691,508.90

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Solution

The fourth proportional to 3,997,197.40, 5,998,081.50 and 1,691,508.90 is: 2,538,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,197.40 : 5,998,081.50 = 1,691,508.90 : x
  2. Step 2: Convert to fraction form
    3,997,197.40/5,998,081.50 = 1,691,508.90/x
  3. Step 3: Cross multiply
    3,997,197.40x = 5,998,081.50 × 1,691,508.90
  4. Step 4: Simplify right side
    3,997,197.40x = 10,145,808,240,175.35
  5. Step 5: Solve for x
    x = 10,145,808,240,175.35/3,997,197.40
  6. Step 6: Final answer
    x = 2,538,230.47

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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.