Home / 3,171,667.06-4,376,932.05-1,721,375.38

Finding the Fourth Proportional to 3,171,667.06, 4,376,932.05 and 1,721,375.38

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Solution

The fourth proportional to 3,171,667.06, 4,376,932.05 and 1,721,375.38 is: 2,375,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,667.06 : 4,376,932.05 = 1,721,375.38 : x
  2. Step 2: Convert to fraction form
    3,171,667.06/4,376,932.05 = 1,721,375.38/x
  3. Step 3: Cross multiply
    3,171,667.06x = 4,376,932.05 × 1,721,375.38
  4. Step 4: Simplify right side
    3,171,667.06x = 7,534,343,070,802.93
  5. Step 5: Solve for x
    x = 7,534,343,070,802.93/3,171,667.06
  6. Step 6: Final answer
    x = 2,375,515.12

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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.