Home / 3,987,181.80-5,500,394.64-2,609,918.82

Finding the Fourth Proportional to 3,987,181.80, 5,500,394.64 and 2,609,918.82

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Solution

The fourth proportional to 3,987,181.80, 5,500,394.64 and 2,609,918.82 is: 3,600,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,181.80 : 5,500,394.64 = 2,609,918.82 : x
  2. Step 2: Convert to fraction form
    3,987,181.80/5,500,394.64 = 2,609,918.82/x
  3. Step 3: Cross multiply
    3,987,181.80x = 5,500,394.64 × 2,609,918.82
  4. Step 4: Simplify right side
    3,987,181.80x = 14,355,583,488,363.12
  5. Step 5: Solve for x
    x = 14,355,583,488,363.12/3,987,181.80
  6. Step 6: Final answer
    x = 3,600,433.64

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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.