Home / 3,689,839.38-5,091,986.54-2,058,352.40

Finding the Fourth Proportional to 3,689,839.38, 5,091,986.54 and 2,058,352.40

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Solution

The fourth proportional to 3,689,839.38, 5,091,986.54 and 2,058,352.40 is: 2,840,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,839.38 : 5,091,986.54 = 2,058,352.40 : x
  2. Step 2: Convert to fraction form
    3,689,839.38/5,091,986.54 = 2,058,352.40/x
  3. Step 3: Cross multiply
    3,689,839.38x = 5,091,986.54 × 2,058,352.40
  4. Step 4: Simplify right side
    3,689,839.38x = 10,481,102,715,376.70
  5. Step 5: Solve for x
    x = 10,481,102,715,376.70/3,689,839.38
  6. Step 6: Final answer
    x = 2,840,530.88

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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.