Home / 1,611,299.61-2,223,548.91-886,147.20

Finding the Fourth Proportional to 1,611,299.61, 2,223,548.91 and 886,147.20

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Solution

The fourth proportional to 1,611,299.61, 2,223,548.91 and 886,147.20 is: 1,222,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,299.61 : 2,223,548.91 = 886,147.20 : x
  2. Step 2: Convert to fraction form
    1,611,299.61/2,223,548.91 = 886,147.20/x
  3. Step 3: Cross multiply
    1,611,299.61x = 2,223,548.91 × 886,147.20
  4. Step 4: Simplify right side
    1,611,299.61x = 1,970,391,640,659.55
  5. Step 5: Solve for x
    x = 1,970,391,640,659.55/1,611,299.61
  6. Step 6: Final answer
    x = 1,222,858.63

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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.