Home / 3,962,881.78-5,942,449-1,535,172.12

Finding the Fourth Proportional to 3,962,881.78, 5,942,449 and 1,535,172.12

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Solution

The fourth proportional to 3,962,881.78, 5,942,449 and 1,535,172.12 is: 2,302,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962,881.78 : 5,942,449 = 1,535,172.12 : x
  2. Step 2: Convert to fraction form
    3,962,881.78/5,942,449 = 1,535,172.12/x
  3. Step 3: Cross multiply
    3,962,881.78x = 5,942,449 × 1,535,172.12
  4. Step 4: Simplify right side
    3,962,881.78x = 9,122,682,029,321.88
  5. Step 5: Solve for x
    x = 9,122,682,029,321.88/3,962,881.78
  6. Step 6: Final answer
    x = 2,302,032.34

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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.