Home / 1,611,915.72-2,224,355.82-886,646.34

Finding the Fourth Proportional to 1,611,915.72, 2,224,355.82 and 886,646.34

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Solution

The fourth proportional to 1,611,915.72, 2,224,355.82 and 886,646.34 is: 1,223,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,915.72 : 2,224,355.82 = 886,646.34 : x
  2. Step 2: Convert to fraction form
    1,611,915.72/2,224,355.82 = 886,646.34/x
  3. Step 3: Cross multiply
    1,611,915.72x = 2,224,355.82 × 886,646.34
  4. Step 4: Simplify right side
    1,611,915.72x = 1,972,216,946,660.70
  5. Step 5: Solve for x
    x = 1,972,216,946,660.70/1,611,915.72
  6. Step 6: Final answer
    x = 1,223,523.61

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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.