Home / 4,215,644.37-6,324,069.77-1,297,984.10

Finding the Fourth Proportional to 4,215,644.37, 6,324,069.77 and 1,297,984.10

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Solution

The fourth proportional to 4,215,644.37, 6,324,069.77 and 1,297,984.10 is: 1,947,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,644.37 : 6,324,069.77 = 1,297,984.10 : x
  2. Step 2: Convert to fraction form
    4,215,644.37/6,324,069.77 = 1,297,984.10/x
  3. Step 3: Cross multiply
    4,215,644.37x = 6,324,069.77 × 1,297,984.10
  4. Step 4: Simplify right side
    4,215,644.37x = 8,208,541,970,640.39
  5. Step 5: Solve for x
    x = 8,208,541,970,640.39/4,215,644.37
  6. Step 6: Final answer
    x = 1,947,161.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.