Home / 3,171,368.94-4,376,521.31-1,721,076.90

Finding the Fourth Proportional to 3,171,368.94, 4,376,521.31 and 1,721,076.90

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Solution

The fourth proportional to 3,171,368.94, 4,376,521.31 and 1,721,076.90 is: 2,375,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,368.94 : 4,376,521.31 = 1,721,076.90 : x
  2. Step 2: Convert to fraction form
    3,171,368.94/4,376,521.31 = 1,721,076.90/x
  3. Step 3: Cross multiply
    3,171,368.94x = 4,376,521.31 × 1,721,076.90
  4. Step 4: Simplify right side
    3,171,368.94x = 7,532,329,720,393.35
  5. Step 5: Solve for x
    x = 7,532,329,720,393.35/3,171,368.94
  6. Step 6: Final answer
    x = 2,375,103.58

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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.