Home / 2,691,571.28-4,035,730.75-1,072,589.18

Finding the Fourth Proportional to 2,691,571.28, 4,035,730.75 and 1,072,589.18

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Solution

The fourth proportional to 2,691,571.28, 4,035,730.75 and 1,072,589.18 is: 1,608,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,571.28 : 4,035,730.75 = 1,072,589.18 : x
  2. Step 2: Convert to fraction form
    2,691,571.28/4,035,730.75 = 1,072,589.18/x
  3. Step 3: Cross multiply
    2,691,571.28x = 4,035,730.75 × 1,072,589.18
  4. Step 4: Simplify right side
    2,691,571.28x = 4,328,681,143,251.14
  5. Step 5: Solve for x
    x = 4,328,681,143,251.14/2,691,571.28
  6. Step 6: Final answer
    x = 1,608,235.74

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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.