Home / 2,628,325.35-3,942,461.73-831,209.13

Finding the Fourth Proportional to 2,628,325.35, 3,942,461.73 and 831,209.13

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Solution

The fourth proportional to 2,628,325.35, 3,942,461.73 and 831,209.13 is: 1,246,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,325.35 : 3,942,461.73 = 831,209.13 : x
  2. Step 2: Convert to fraction form
    2,628,325.35/3,942,461.73 = 831,209.13/x
  3. Step 3: Cross multiply
    2,628,325.35x = 3,942,461.73 × 831,209.13
  4. Step 4: Simplify right side
    2,628,325.35x = 3,277,010,184,651.60
  5. Step 5: Solve for x
    x = 3,277,010,184,651.60/2,628,325.35
  6. Step 6: Final answer
    x = 1,246,805.38

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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.