Home / 3,656,918.82-5,488,916.31-1,764,992.10

Finding the Fourth Proportional to 3,656,918.82, 5,488,916.31 and 1,764,992.10

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Solution

The fourth proportional to 3,656,918.82, 5,488,916.31 and 1,764,992.10 is: 2,649,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656,918.82 : 5,488,916.31 = 1,764,992.10 : x
  2. Step 2: Convert to fraction form
    3,656,918.82/5,488,916.31 = 1,764,992.10/x
  3. Step 3: Cross multiply
    3,656,918.82x = 5,488,916.31 × 1,764,992.10
  4. Step 4: Simplify right side
    3,656,918.82x = 9,687,893,924,711.15
  5. Step 5: Solve for x
    x = 9,687,893,924,711.15/3,656,918.82
  6. Step 6: Final answer
    x = 2,649,195.79

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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.