Home / 2,153,204.57-3,229,806.87-636,769.41

Finding the Fourth Proportional to 2,153,204.57, 3,229,806.87 and 636,769.41

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Solution

The fourth proportional to 2,153,204.57, 3,229,806.87 and 636,769.41 is: 955,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,204.57 : 3,229,806.87 = 636,769.41 : x
  2. Step 2: Convert to fraction form
    2,153,204.57/3,229,806.87 = 636,769.41/x
  3. Step 3: Cross multiply
    2,153,204.57x = 3,229,806.87 × 636,769.41
  4. Step 4: Simplify right side
    2,153,204.57x = 2,056,642,215,023.85
  5. Step 5: Solve for x
    x = 2,056,642,215,023.85/2,153,204.57
  6. Step 6: Final answer
    x = 955,154.12

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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.