Home / 2,628,317.70-3,942,450.28-831,201.48

Finding the Fourth Proportional to 2,628,317.70, 3,942,450.28 and 831,201.48

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Solution

The fourth proportional to 2,628,317.70, 3,942,450.28 and 831,201.48 is: 1,246,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,317.70 : 3,942,450.28 = 831,201.48 : x
  2. Step 2: Convert to fraction form
    2,628,317.70/3,942,450.28 = 831,201.48/x
  3. Step 3: Cross multiply
    2,628,317.70x = 3,942,450.28 × 831,201.48
  4. Step 4: Simplify right side
    2,628,317.70x = 3,276,970,507,562.41
  5. Step 5: Solve for x
    x = 3,276,970,507,562.41/2,628,317.70
  6. Step 6: Final answer
    x = 1,246,793.91

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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.