Home / 1,843,217.78-2,543,694.45-1,079,199.86

Finding the Fourth Proportional to 1,843,217.78, 2,543,694.45 and 1,079,199.86

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Solution

The fourth proportional to 1,843,217.78, 2,543,694.45 and 1,079,199.86 is: 1,489,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,217.78 : 2,543,694.45 = 1,079,199.86 : x
  2. Step 2: Convert to fraction form
    1,843,217.78/2,543,694.45 = 1,079,199.86/x
  3. Step 3: Cross multiply
    1,843,217.78x = 2,543,694.45 × 1,079,199.86
  4. Step 4: Simplify right side
    1,843,217.78x = 2,745,154,694,322.78
  5. Step 5: Solve for x
    x = 2,745,154,694,322.78/1,843,217.78
  6. Step 6: Final answer
    x = 1,489,327.37

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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.