Home / 2,472,678.39-3,413,962.42-1,543,801.78

Finding the Fourth Proportional to 2,472,678.39, 3,413,962.42 and 1,543,801.78

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Solution

The fourth proportional to 2,472,678.39, 3,413,962.42 and 1,543,801.78 is: 2,131,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472,678.39 : 3,413,962.42 = 1,543,801.78 : x
  2. Step 2: Convert to fraction form
    2,472,678.39/3,413,962.42 = 1,543,801.78/x
  3. Step 3: Cross multiply
    2,472,678.39x = 3,413,962.42 × 1,543,801.78
  4. Step 4: Simplify right side
    2,472,678.39x = 5,270,481,261,257.06
  5. Step 5: Solve for x
    x = 5,270,481,261,257.06/2,472,678.39
  6. Step 6: Final answer
    x = 2,131,486.76

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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.