Home / 1,682,872.38-2,338,041.42-1,662,694.26

Finding the Fourth Proportional to 1,682,872.38, 2,338,041.42 and 1,662,694.26

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Solution

The fourth proportional to 1,682,872.38, 2,338,041.42 and 1,662,694.26 is: 2,310,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,872.38 : 2,338,041.42 = 1,662,694.26 : x
  2. Step 2: Convert to fraction form
    1,682,872.38/2,338,041.42 = 1,662,694.26/x
  3. Step 3: Cross multiply
    1,682,872.38x = 2,338,041.42 × 1,662,694.26
  4. Step 4: Simplify right side
    1,682,872.38x = 3,887,448,048,676.25
  5. Step 5: Solve for x
    x = 3,887,448,048,676.25/1,682,872.38
  6. Step 6: Final answer
    x = 2,310,007.64

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.