Home / 2,807,136.90-4,202,832.15-2,728,404.90

Finding the Fourth Proportional to 2,807,136.90, 4,202,832.15 and 2,728,404.90

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Solution

The fourth proportional to 2,807,136.90, 4,202,832.15 and 2,728,404.90 is: 4,084,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,136.90 : 4,202,832.15 = 2,728,404.90 : x
  2. Step 2: Convert to fraction form
    2,807,136.90/4,202,832.15 = 2,728,404.90/x
  3. Step 3: Cross multiply
    2,807,136.90x = 4,202,832.15 × 2,728,404.90
  4. Step 4: Simplify right side
    2,807,136.90x = 11,467,027,831,937.54
  5. Step 5: Solve for x
    x = 11,467,027,831,937.54/2,807,136.90
  6. Step 6: Final answer
    x = 4,084,954.97

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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.