Home / 1,945,473.53-2,665,286.31-1,872,721.82

Finding the Fourth Proportional to 1,945,473.53, 2,665,286.31 and 1,872,721.82

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Solution

The fourth proportional to 1,945,473.53, 2,665,286.31 and 1,872,721.82 is: 2,565,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,473.53 : 2,665,286.31 = 1,872,721.82 : x
  2. Step 2: Convert to fraction form
    1,945,473.53/2,665,286.31 = 1,872,721.82/x
  3. Step 3: Cross multiply
    1,945,473.53x = 2,665,286.31 × 1,872,721.82
  4. Step 4: Simplify right side
    1,945,473.53x = 4,991,339,829,284.28
  5. Step 5: Solve for x
    x = 4,991,339,829,284.28/1,945,473.53
  6. Step 6: Final answer
    x = 2,565,616.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.