Home / 2,195,638.01-3,029,915.25-1,215,620.63

Finding the Fourth Proportional to 2,195,638.01, 3,029,915.25 and 1,215,620.63

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Solution

The fourth proportional to 2,195,638.01, 3,029,915.25 and 1,215,620.63 is: 1,677,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,638.01 : 3,029,915.25 = 1,215,620.63 : x
  2. Step 2: Convert to fraction form
    2,195,638.01/3,029,915.25 = 1,215,620.63/x
  3. Step 3: Cross multiply
    2,195,638.01x = 3,029,915.25 × 1,215,620.63
  4. Step 4: Simplify right side
    2,195,638.01x = 3,683,227,469,902.03
  5. Step 5: Solve for x
    x = 3,683,227,469,902.03/2,195,638.01
  6. Step 6: Final answer
    x = 1,677,520.37

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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.