Home / 2,558,712.38-3,530,930.40-1,412,768.12

Finding the Fourth Proportional to 2,558,712.38, 3,530,930.40 and 1,412,768.12

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Solution

The fourth proportional to 2,558,712.38, 3,530,930.40 and 1,412,768.12 is: 1,949,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,712.38 : 3,530,930.40 = 1,412,768.12 : x
  2. Step 2: Convert to fraction form
    2,558,712.38/3,530,930.40 = 1,412,768.12/x
  3. Step 3: Cross multiply
    2,558,712.38x = 3,530,930.40 × 1,412,768.12
  4. Step 4: Simplify right side
    2,558,712.38x = 4,988,385,885,404.20
  5. Step 5: Solve for x
    x = 4,988,385,885,404.20/2,558,712.38
  6. Step 6: Final answer
    x = 1,949,568.83

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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.