Home / 3,171,997.86-4,377,239.73-1,721,662.44

Finding the Fourth Proportional to 3,171,997.86, 4,377,239.73 and 1,721,662.44

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Solution

The fourth proportional to 3,171,997.86, 4,377,239.73 and 1,721,662.44 is: 2,375,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,997.86 : 4,377,239.73 = 1,721,662.44 : x
  2. Step 2: Convert to fraction form
    3,171,997.86/4,377,239.73 = 1,721,662.44/x
  3. Step 3: Cross multiply
    3,171,997.86x = 4,377,239.73 × 1,721,662.44
  4. Step 4: Simplify right side
    3,171,997.86x = 7,536,129,234,016.74
  5. Step 5: Solve for x
    x = 7,536,129,234,016.74/3,171,997.86
  6. Step 6: Final answer
    x = 2,375,830.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.