Home / 6,381,828.50-9,572,825.67-2,121,996.58

Finding the Fourth Proportional to 6,381,828.50, 9,572,825.67 and 2,121,996.58

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Solution

The fourth proportional to 6,381,828.50, 9,572,825.67 and 2,121,996.58 is: 3,183,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,828.50 : 9,572,825.67 = 2,121,996.58 : x
  2. Step 2: Convert to fraction form
    6,381,828.50/9,572,825.67 = 2,121,996.58/x
  3. Step 3: Cross multiply
    6,381,828.50x = 9,572,825.67 × 2,121,996.58
  4. Step 4: Simplify right side
    6,381,828.50x = 20,313,503,300,786.66
  5. Step 5: Solve for x
    x = 20,313,503,300,786.66/6,381,828.50
  6. Step 6: Final answer
    x = 3,183,022.44

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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.