Home / 3,179,954.63-4,387,938.89-2,149,704.23

Finding the Fourth Proportional to 3,179,954.63, 4,387,938.89 and 2,149,704.23

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Solution

The fourth proportional to 3,179,954.63, 4,387,938.89 and 2,149,704.23 is: 2,966,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,954.63 : 4,387,938.89 = 2,149,704.23 : x
  2. Step 2: Convert to fraction form
    3,179,954.63/4,387,938.89 = 2,149,704.23/x
  3. Step 3: Cross multiply
    3,179,954.63x = 4,387,938.89 × 2,149,704.23
  4. Step 4: Simplify right side
    3,179,954.63x = 9,432,770,760,126.29
  5. Step 5: Solve for x
    x = 9,432,770,760,126.29/3,179,954.63
  6. Step 6: Final answer
    x = 2,966,322.43

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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.