Home / 1,943,469.13-2,681,969.61-1,072,311.85

Finding the Fourth Proportional to 1,943,469.13, 2,681,969.61 and 1,072,311.85

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Solution

The fourth proportional to 1,943,469.13, 2,681,969.61 and 1,072,311.85 is: 1,479,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,469.13 : 2,681,969.61 = 1,072,311.85 : x
  2. Step 2: Convert to fraction form
    1,943,469.13/2,681,969.61 = 1,072,311.85/x
  3. Step 3: Cross multiply
    1,943,469.13x = 2,681,969.61 × 1,072,311.85
  4. Step 4: Simplify right side
    1,943,469.13x = 2,875,907,794,142.88
  5. Step 5: Solve for x
    x = 2,875,907,794,142.88/1,943,469.13
  6. Step 6: Final answer
    x = 1,479,780.54

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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.