Home / 3,171,727.89-4,376,873.48-1,721,394.27

Finding the Fourth Proportional to 3,171,727.89, 4,376,873.48 and 1,721,394.27

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Solution

The fourth proportional to 3,171,727.89, 4,376,873.48 and 1,721,394.27 is: 2,375,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,727.89 : 4,376,873.48 = 1,721,394.27 : x
  2. Step 2: Convert to fraction form
    3,171,727.89/4,376,873.48 = 1,721,394.27/x
  3. Step 3: Cross multiply
    3,171,727.89x = 4,376,873.48 × 1,721,394.27
  4. Step 4: Simplify right side
    3,171,727.89x = 7,534,324,920,379.99
  5. Step 5: Solve for x
    x = 7,534,324,920,379.99/3,171,727.89
  6. Step 6: Final answer
    x = 2,375,463.84

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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.