Home / 3,171,359.70-4,376,479.41-1,721,055.42

Finding the Fourth Proportional to 3,171,359.70, 4,376,479.41 and 1,721,055.42

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Solution

The fourth proportional to 3,171,359.70, 4,376,479.41 and 1,721,055.42 is: 2,375,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,359.70 : 4,376,479.41 = 1,721,055.42 : x
  2. Step 2: Convert to fraction form
    3,171,359.70/4,376,479.41 = 1,721,055.42/x
  3. Step 3: Cross multiply
    3,171,359.70x = 4,376,479.41 × 1,721,055.42
  4. Step 4: Simplify right side
    3,171,359.70x = 7,532,163,609,098.90
  5. Step 5: Solve for x
    x = 7,532,163,609,098.90/3,171,359.70
  6. Step 6: Final answer
    x = 2,375,058.12

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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.