Home / 3,171,729.65-4,376,991.26-1,721,425.11

Finding the Fourth Proportional to 3,171,729.65, 4,376,991.26 and 1,721,425.11

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Solution

The fourth proportional to 3,171,729.65, 4,376,991.26 and 1,721,425.11 is: 2,375,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,729.65 : 4,376,991.26 = 1,721,425.11 : x
  2. Step 2: Convert to fraction form
    3,171,729.65/4,376,991.26 = 1,721,425.11/x
  3. Step 3: Cross multiply
    3,171,729.65x = 4,376,991.26 × 1,721,425.11
  4. Step 4: Simplify right side
    3,171,729.65x = 7,534,662,652,607.41
  5. Step 5: Solve for x
    x = 7,534,662,652,607.41/3,171,729.65
  6. Step 6: Final answer
    x = 2,375,569.00

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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.