Home / 3,786,201.48-5,680,961.10-1,988,668.92

Finding the Fourth Proportional to 3,786,201.48, 5,680,961.10 and 1,988,668.92

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Solution

The fourth proportional to 3,786,201.48, 5,680,961.10 and 1,988,668.92 is: 2,983,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,201.48 : 5,680,961.10 = 1,988,668.92 : x
  2. Step 2: Convert to fraction form
    3,786,201.48/5,680,961.10 = 1,988,668.92/x
  3. Step 3: Cross multiply
    3,786,201.48x = 5,680,961.10 × 1,988,668.92
  4. Step 4: Simplify right side
    3,786,201.48x = 11,297,550,775,299.01
  5. Step 5: Solve for x
    x = 11,297,550,775,299.01/3,786,201.48
  6. Step 6: Final answer
    x = 2,983,874.69

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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.