Home / 3,171,781.04-4,376,946.51-1,721,447.28

Finding the Fourth Proportional to 3,171,781.04, 4,376,946.51 and 1,721,447.28

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Solution

The fourth proportional to 3,171,781.04, 4,376,946.51 and 1,721,447.28 is: 2,375,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,781.04 : 4,376,946.51 = 1,721,447.28 : x
  2. Step 2: Convert to fraction form
    3,171,781.04/4,376,946.51 = 1,721,447.28/x
  3. Step 3: Cross multiply
    3,171,781.04x = 4,376,946.51 × 1,721,447.28
  4. Step 4: Simplify right side
    3,171,781.04x = 7,534,682,664,344.99
  5. Step 5: Solve for x
    x = 7,534,682,664,344.99/3,171,781.04
  6. Step 6: Final answer
    x = 2,375,536.83

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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.