Home / 3,171,729.88-4,376,991.56-1,721,425.34

Finding the Fourth Proportional to 3,171,729.88, 4,376,991.56 and 1,721,425.34

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Solution

The fourth proportional to 3,171,729.88, 4,376,991.56 and 1,721,425.34 is: 2,375,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,729.88 : 4,376,991.56 = 1,721,425.34 : x
  2. Step 2: Convert to fraction form
    3,171,729.88/4,376,991.56 = 1,721,425.34/x
  3. Step 3: Cross multiply
    3,171,729.88x = 4,376,991.56 × 1,721,425.34
  4. Step 4: Simplify right side
    3,171,729.88x = 7,534,664,153,858.05
  5. Step 5: Solve for x
    x = 7,534,664,153,858.05/3,171,729.88
  6. Step 6: Final answer
    x = 2,375,569.31

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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.