Home / 2,540,473.01-3,505,856.31-1,378,919.54

Finding the Fourth Proportional to 2,540,473.01, 3,505,856.31 and 1,378,919.54

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Solution

The fourth proportional to 2,540,473.01, 3,505,856.31 and 1,378,919.54 is: 1,902,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,473.01 : 3,505,856.31 = 1,378,919.54 : x
  2. Step 2: Convert to fraction form
    2,540,473.01/3,505,856.31 = 1,378,919.54/x
  3. Step 3: Cross multiply
    2,540,473.01x = 3,505,856.31 × 1,378,919.54
  4. Step 4: Simplify right side
    2,540,473.01x = 4,834,293,749,314.72
  5. Step 5: Solve for x
    x = 4,834,293,749,314.72/2,540,473.01
  6. Step 6: Final answer
    x = 1,902,910.89

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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.