Home / 2,081,936.80-3,122,905.20-662,136.40

Finding the Fourth Proportional to 2,081,936.80, 3,122,905.20 and 662,136.40

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Solution

The fourth proportional to 2,081,936.80, 3,122,905.20 and 662,136.40 is: 993,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,936.80 : 3,122,905.20 = 662,136.40 : x
  2. Step 2: Convert to fraction form
    2,081,936.80/3,122,905.20 = 662,136.40/x
  3. Step 3: Cross multiply
    2,081,936.80x = 3,122,905.20 × 662,136.40
  4. Step 4: Simplify right side
    2,081,936.80x = 2,067,789,206,669.28
  5. Step 5: Solve for x
    x = 2,067,789,206,669.28/2,081,936.80
  6. Step 6: Final answer
    x = 993,204.60

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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.