Home / 1,969,785.10-2,719,568.32-1,235,745.55

Finding the Fourth Proportional to 1,969,785.10, 2,719,568.32 and 1,235,745.55

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Solution

The fourth proportional to 1,969,785.10, 2,719,568.32 and 1,235,745.55 is: 1,706,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,785.10 : 2,719,568.32 = 1,235,745.55 : x
  2. Step 2: Convert to fraction form
    1,969,785.10/2,719,568.32 = 1,235,745.55/x
  3. Step 3: Cross multiply
    1,969,785.10x = 2,719,568.32 × 1,235,745.55
  4. Step 4: Simplify right side
    1,969,785.10x = 3,360,694,449,671.07
  5. Step 5: Solve for x
    x = 3,360,694,449,671.07/1,969,785.10
  6. Step 6: Final answer
    x = 1,706,122.38

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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.