Home / 3,171,988.67-4,377,348.78-1,721,684.41

Finding the Fourth Proportional to 3,171,988.67, 4,377,348.78 and 1,721,684.41

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Solution

The fourth proportional to 3,171,988.67, 4,377,348.78 and 1,721,684.41 is: 2,375,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,988.67 : 4,377,348.78 = 1,721,684.41 : x
  2. Step 2: Convert to fraction form
    3,171,988.67/4,377,348.78 = 1,721,684.41/x
  3. Step 3: Cross multiply
    3,171,988.67x = 4,377,348.78 × 1,721,684.41
  4. Step 4: Simplify right side
    3,171,988.67x = 7,536,413,158,881.42
  5. Step 5: Solve for x
    x = 7,536,413,158,881.42/3,171,988.67
  6. Step 6: Final answer
    x = 2,375,926.88

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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.