Home / 3,822,072.74-5,274,678.63-2,190,751.97

Finding the Fourth Proportional to 3,822,072.74, 5,274,678.63 and 2,190,751.97

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Solution

The fourth proportional to 3,822,072.74, 5,274,678.63 and 2,190,751.97 is: 3,023,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822,072.74 : 5,274,678.63 = 2,190,751.97 : x
  2. Step 2: Convert to fraction form
    3,822,072.74/5,274,678.63 = 2,190,751.97/x
  3. Step 3: Cross multiply
    3,822,072.74x = 5,274,678.63 × 2,190,751.97
  4. Step 4: Simplify right side
    3,822,072.74x = 11,555,512,573,416.01
  5. Step 5: Solve for x
    x = 11,555,512,573,416.01/3,822,072.74
  6. Step 6: Final answer
    x = 3,023,362.81

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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.