Home / 6,405,821.25-8,839,769.86-3,828,922.89

Finding the Fourth Proportional to 6,405,821.25, 8,839,769.86 and 3,828,922.89

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Solution

The fourth proportional to 6,405,821.25, 8,839,769.86 and 3,828,922.89 is: 5,283,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,821.25 : 8,839,769.86 = 3,828,922.89 : x
  2. Step 2: Convert to fraction form
    6,405,821.25/8,839,769.86 = 3,828,922.89/x
  3. Step 3: Cross multiply
    6,405,821.25x = 8,839,769.86 × 3,828,922.89
  4. Step 4: Simplify right side
    6,405,821.25x = 33,846,797,159,286.09
  5. Step 5: Solve for x
    x = 33,846,797,159,286.09/6,405,821.25
  6. Step 6: Final answer
    x = 5,283,756.11

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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.