Home / 3,109,367.76-4,291,274.88-1,732,837.20

Finding the Fourth Proportional to 3,109,367.76, 4,291,274.88 and 1,732,837.20

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Solution

The fourth proportional to 3,109,367.76, 4,291,274.88 and 1,732,837.20 is: 2,391,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,367.76 : 4,291,274.88 = 1,732,837.20 : x
  2. Step 2: Convert to fraction form
    3,109,367.76/4,291,274.88 = 1,732,837.20/x
  3. Step 3: Cross multiply
    3,109,367.76x = 4,291,274.88 × 1,732,837.20
  4. Step 4: Simplify right side
    3,109,367.76x = 7,436,080,747,489.54
  5. Step 5: Solve for x
    x = 7,436,080,747,489.54/3,109,367.76
  6. Step 6: Final answer
    x = 2,391,508.92

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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.