Home / 2,685,638-3,706,180.44-1,478,414

Finding the Fourth Proportional to 2,685,638, 3,706,180.44 and 1,478,414

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Solution

The fourth proportional to 2,685,638, 3,706,180.44 and 1,478,414 is: 2,040,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,638 : 3,706,180.44 = 1,478,414 : x
  2. Step 2: Convert to fraction form
    2,685,638/3,706,180.44 = 1,478,414/x
  3. Step 3: Cross multiply
    2,685,638x = 3,706,180.44 × 1,478,414
  4. Step 4: Simplify right side
    2,685,638x = 5,479,269,049,022.16
  5. Step 5: Solve for x
    x = 5,479,269,049,022.16/2,685,638
  6. Step 6: Final answer
    x = 2,040,211.32

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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.