Home / 3,171,871-4,377,186.79-1,721,566.97

Finding the Fourth Proportional to 3,171,871, 4,377,186.79 and 1,721,566.97

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Solution

The fourth proportional to 3,171,871, 4,377,186.79 and 1,721,566.97 is: 2,375,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,871 : 4,377,186.79 = 1,721,566.97 : x
  2. Step 2: Convert to fraction form
    3,171,871/4,377,186.79 = 1,721,566.97/x
  3. Step 3: Cross multiply
    3,171,871x = 4,377,186.79 × 1,721,566.97
  4. Step 4: Simplify right side
    3,171,871x = 7,535,620,177,298.39
  5. Step 5: Solve for x
    x = 7,535,620,177,298.39/3,171,871
  6. Step 6: Final answer
    x = 2,375,765.02

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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.