Home / 2,819,511.35-3,890,821.42-1,530,324.26

Finding the Fourth Proportional to 2,819,511.35, 3,890,821.42 and 1,530,324.26

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Solution

The fourth proportional to 2,819,511.35, 3,890,821.42 and 1,530,324.26 is: 2,111,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,511.35 : 3,890,821.42 = 1,530,324.26 : x
  2. Step 2: Convert to fraction form
    2,819,511.35/3,890,821.42 = 1,530,324.26/x
  3. Step 3: Cross multiply
    2,819,511.35x = 3,890,821.42 × 1,530,324.26
  4. Step 4: Simplify right side
    2,819,511.35x = 5,954,218,383,247.92
  5. Step 5: Solve for x
    x = 5,954,218,383,247.92/2,819,511.35
  6. Step 6: Final answer
    x = 2,111,790.89

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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.