Home / 3,609,640.82-5,411,649.91-1,786,747.46

Finding the Fourth Proportional to 3,609,640.82, 5,411,649.91 and 1,786,747.46

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Solution

The fourth proportional to 3,609,640.82, 5,411,649.91 and 1,786,747.46 is: 2,678,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,640.82 : 5,411,649.91 = 1,786,747.46 : x
  2. Step 2: Convert to fraction form
    3,609,640.82/5,411,649.91 = 1,786,747.46/x
  3. Step 3: Cross multiply
    3,609,640.82x = 5,411,649.91 × 1,786,747.46
  4. Step 4: Simplify right side
    3,609,640.82x = 9,669,251,731,101.73
  5. Step 5: Solve for x
    x = 9,669,251,731,101.73/3,609,640.82
  6. Step 6: Final answer
    x = 2,678,729.61

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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.