Home / 3,538,882.60-5,307,287.10-1,645,167.40

Finding the Fourth Proportional to 3,538,882.60, 5,307,287.10 and 1,645,167.40

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Solution

The fourth proportional to 3,538,882.60, 5,307,287.10 and 1,645,167.40 is: 2,467,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,882.60 : 5,307,287.10 = 1,645,167.40 : x
  2. Step 2: Convert to fraction form
    3,538,882.60/5,307,287.10 = 1,645,167.40/x
  3. Step 3: Cross multiply
    3,538,882.60x = 5,307,287.10 × 1,645,167.40
  4. Step 4: Simplify right side
    3,538,882.60x = 8,731,375,719,360.54
  5. Step 5: Solve for x
    x = 8,731,375,719,360.54/3,538,882.60
  6. Step 6: Final answer
    x = 2,467,269.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.