Home / 2,628,926.50-3,942,995.33-831,576.43

Finding the Fourth Proportional to 2,628,926.50, 3,942,995.33 and 831,576.43

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Solution

The fourth proportional to 2,628,926.50, 3,942,995.33 and 831,576.43 is: 1,247,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,926.50 : 3,942,995.33 = 831,576.43 : x
  2. Step 2: Convert to fraction form
    2,628,926.50/3,942,995.33 = 831,576.43/x
  3. Step 3: Cross multiply
    2,628,926.50x = 3,942,995.33 × 831,576.43
  4. Step 4: Simplify right side
    2,628,926.50x = 3,278,901,994,524.25
  5. Step 5: Solve for x
    x = 3,278,901,994,524.25/2,628,926.50
  6. Step 6: Final answer
    x = 1,247,239.89

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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.