Home / 3,851,136.70-5,314,734.73-2,132,257.22

Finding the Fourth Proportional to 3,851,136.70, 5,314,734.73 and 2,132,257.22

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Solution

The fourth proportional to 3,851,136.70, 5,314,734.73 and 2,132,257.22 is: 2,942,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,136.70 : 5,314,734.73 = 2,132,257.22 : x
  2. Step 2: Convert to fraction form
    3,851,136.70/5,314,734.73 = 2,132,257.22/x
  3. Step 3: Cross multiply
    3,851,136.70x = 5,314,734.73 × 2,132,257.22
  4. Step 4: Simplify right side
    3,851,136.70x = 11,332,381,484,455.21
  5. Step 5: Solve for x
    x = 11,332,381,484,455.21/3,851,136.70
  6. Step 6: Final answer
    x = 2,942,606.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.