Home / 3,895,921.82-5,376,491.09-2,177,114.78

Finding the Fourth Proportional to 3,895,921.82, 5,376,491.09 and 2,177,114.78

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Solution

The fourth proportional to 3,895,921.82, 5,376,491.09 and 2,177,114.78 is: 3,004,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,921.82 : 5,376,491.09 = 2,177,114.78 : x
  2. Step 2: Convert to fraction form
    3,895,921.82/5,376,491.09 = 2,177,114.78/x
  3. Step 3: Cross multiply
    3,895,921.82x = 5,376,491.09 × 2,177,114.78
  4. Step 4: Simplify right side
    3,895,921.82x = 11,705,238,178,809.28
  5. Step 5: Solve for x
    x = 11,705,238,178,809.28/3,895,921.82
  6. Step 6: Final answer
    x = 3,004,484.88

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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.