Home / 2,819,638.62-3,890,996.91-1,530,451.44

Finding the Fourth Proportional to 2,819,638.62, 3,890,996.91 and 1,530,451.44

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Solution

The fourth proportional to 2,819,638.62, 3,890,996.91 and 1,530,451.44 is: 2,111,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,638.62 : 3,890,996.91 = 1,530,451.44 : x
  2. Step 2: Convert to fraction form
    2,819,638.62/3,890,996.91 = 1,530,451.44/x
  3. Step 3: Cross multiply
    2,819,638.62x = 3,890,996.91 × 1,530,451.44
  4. Step 4: Simplify right side
    2,819,638.62x = 5,954,981,823,945.05
  5. Step 5: Solve for x
    x = 5,954,981,823,945.05/2,819,638.62
  6. Step 6: Final answer
    x = 2,111,966.33

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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.