Home / 3,681,891.90-5,523,156.78-1,123,682.37

Finding the Fourth Proportional to 3,681,891.90, 5,523,156.78 and 1,123,682.37

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Solution

The fourth proportional to 3,681,891.90, 5,523,156.78 and 1,123,682.37 is: 1,685,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,891.90 : 5,523,156.78 = 1,123,682.37 : x
  2. Step 2: Convert to fraction form
    3,681,891.90/5,523,156.78 = 1,123,682.37/x
  3. Step 3: Cross multiply
    3,681,891.90x = 5,523,156.78 × 1,123,682.37
  4. Step 4: Simplify right side
    3,681,891.90x = 6,206,273,900,431.97
  5. Step 5: Solve for x
    x = 6,206,273,900,431.97/3,681,891.90
  6. Step 6: Final answer
    x = 1,685,620.89

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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.