Home / 2,682,072.81-4,023,107.92-788,814.22

Finding the Fourth Proportional to 2,682,072.81, 4,023,107.92 and 788,814.22

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Solution

The fourth proportional to 2,682,072.81, 4,023,107.92 and 788,814.22 is: 1,183,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,072.81 : 4,023,107.92 = 788,814.22 : x
  2. Step 2: Convert to fraction form
    2,682,072.81/4,023,107.92 = 788,814.22/x
  3. Step 3: Cross multiply
    2,682,072.81x = 4,023,107.92 × 788,814.22
  4. Step 4: Simplify right side
    2,682,072.81x = 3,173,484,735,890.62
  5. Step 5: Solve for x
    x = 3,173,484,735,890.62/2,682,072.81
  6. Step 6: Final answer
    x = 1,183,220.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.