Home / 3,171,713.09-4,376,968.31-1,721,408.49

Finding the Fourth Proportional to 3,171,713.09, 4,376,968.31 and 1,721,408.49

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Solution

The fourth proportional to 3,171,713.09, 4,376,968.31 and 1,721,408.49 is: 2,375,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,713.09 : 4,376,968.31 = 1,721,408.49 : x
  2. Step 2: Convert to fraction form
    3,171,713.09/4,376,968.31 = 1,721,408.49/x
  3. Step 3: Cross multiply
    3,171,713.09x = 4,376,968.31 × 1,721,408.49
  4. Step 4: Simplify right side
    3,171,713.09x = 7,534,550,413,598.47
  5. Step 5: Solve for x
    x = 7,534,550,413,598.47/3,171,713.09
  6. Step 6: Final answer
    x = 2,375,546.03

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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.