Home / 5,489,109.72-8,230,330.62-2,455,910.82

Finding the Fourth Proportional to 5,489,109.72, 8,230,330.62 and 2,455,910.82

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Solution

The fourth proportional to 5,489,109.72, 8,230,330.62 and 2,455,910.82 is: 3,682,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489,109.72 : 8,230,330.62 = 2,455,910.82 : x
  2. Step 2: Convert to fraction form
    5,489,109.72/8,230,330.62 = 2,455,910.82/x
  3. Step 3: Cross multiply
    5,489,109.72x = 8,230,330.62 × 2,455,910.82
  4. Step 4: Simplify right side
    5,489,109.72x = 20,212,958,021,835.31
  5. Step 5: Solve for x
    x = 20,212,958,021,835.31/5,489,109.72
  6. Step 6: Final answer
    x = 3,682,374.57

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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.