Home / 2,647,171-3,970,381.56-849,817.78

Finding the Fourth Proportional to 2,647,171, 3,970,381.56 and 849,817.78

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Solution

The fourth proportional to 2,647,171, 3,970,381.56 and 849,817.78 is: 1,274,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,171 : 3,970,381.56 = 849,817.78 : x
  2. Step 2: Convert to fraction form
    2,647,171/3,970,381.56 = 849,817.78/x
  3. Step 3: Cross multiply
    2,647,171x = 3,970,381.56 × 849,817.78
  4. Step 4: Simplify right side
    2,647,171x = 3,374,100,843,072.14
  5. Step 5: Solve for x
    x = 3,374,100,843,072.14/2,647,171
  6. Step 6: Final answer
    x = 1,274,606.30

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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.