Home / 3,680,819.72-5,078,349.78-2,230,051.40

Finding the Fourth Proportional to 3,680,819.72, 5,078,349.78 and 2,230,051.40

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Solution

The fourth proportional to 3,680,819.72, 5,078,349.78 and 2,230,051.40 is: 3,076,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,819.72 : 5,078,349.78 = 2,230,051.40 : x
  2. Step 2: Convert to fraction form
    3,680,819.72/5,078,349.78 = 2,230,051.40/x
  3. Step 3: Cross multiply
    3,680,819.72x = 5,078,349.78 × 2,230,051.40
  4. Step 4: Simplify right side
    3,680,819.72x = 11,324,981,036,578.69
  5. Step 5: Solve for x
    x = 11,324,981,036,578.69/3,680,819.72
  6. Step 6: Final answer
    x = 3,076,755.15

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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.