Home / 2,181,719.85-3,268,118.28-1,778,349.57

Finding the Fourth Proportional to 2,181,719.85, 3,268,118.28 and 1,778,349.57

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Solution

The fourth proportional to 2,181,719.85, 3,268,118.28 and 1,778,349.57 is: 2,663,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,719.85 : 3,268,118.28 = 1,778,349.57 : x
  2. Step 2: Convert to fraction form
    2,181,719.85/3,268,118.28 = 1,778,349.57/x
  3. Step 3: Cross multiply
    2,181,719.85x = 3,268,118.28 × 1,778,349.57
  4. Step 4: Simplify right side
    2,181,719.85x = 5,811,856,737,947.14
  5. Step 5: Solve for x
    x = 5,811,856,737,947.14/2,181,719.85
  6. Step 6: Final answer
    x = 2,663,887.73

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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.