Home / 2,241,377.11-3,361,704.78-643,576.78

Finding the Fourth Proportional to 2,241,377.11, 3,361,704.78 and 643,576.78

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Solution

The fourth proportional to 2,241,377.11, 3,361,704.78 and 643,576.78 is: 965,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241,377.11 : 3,361,704.78 = 643,576.78 : x
  2. Step 2: Convert to fraction form
    2,241,377.11/3,361,704.78 = 643,576.78/x
  3. Step 3: Cross multiply
    2,241,377.11x = 3,361,704.78 × 643,576.78
  4. Step 4: Simplify right side
    2,241,377.11x = 2,163,515,137,623.01
  5. Step 5: Solve for x
    x = 2,163,515,137,623.01/2,241,377.11
  6. Step 6: Final answer
    x = 965,261.55

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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.