Home / 3,870,738.64-5,341,801.60-2,151,887.84

Finding the Fourth Proportional to 3,870,738.64, 5,341,801.60 and 2,151,887.84

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Solution

The fourth proportional to 3,870,738.64, 5,341,801.60 and 2,151,887.84 is: 2,969,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,738.64 : 5,341,801.60 = 2,151,887.84 : x
  2. Step 2: Convert to fraction form
    3,870,738.64/5,341,801.60 = 2,151,887.84/x
  3. Step 3: Cross multiply
    3,870,738.64x = 5,341,801.60 × 2,151,887.84
  4. Step 4: Simplify right side
    3,870,738.64x = 11,494,957,906,732.54
  5. Step 5: Solve for x
    x = 11,494,957,906,732.54/3,870,738.64
  6. Step 6: Final answer
    x = 2,969,706.55

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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.