Home / 2,628,401.67-3,942,823.77-831,245.22

Finding the Fourth Proportional to 2,628,401.67, 3,942,823.77 and 831,245.22

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Solution

The fourth proportional to 2,628,401.67, 3,942,823.77 and 831,245.22 is: 1,246,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,401.67 : 3,942,823.77 = 831,245.22 : x
  2. Step 2: Convert to fraction form
    2,628,401.67/3,942,823.77 = 831,245.22/x
  3. Step 3: Cross multiply
    2,628,401.67x = 3,942,823.77 × 831,245.22
  4. Step 4: Simplify right side
    2,628,401.67x = 3,277,453,412,114.88
  5. Step 5: Solve for x
    x = 3,277,453,412,114.88/2,628,401.67
  6. Step 6: Final answer
    x = 1,246,937.81

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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.