Home / 3,822,072.72-5,274,678.63-2,190,751.98

Finding the Fourth Proportional to 3,822,072.72, 5,274,678.63 and 2,190,751.98

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Solution

The fourth proportional to 3,822,072.72, 5,274,678.63 and 2,190,751.98 is: 3,023,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822,072.72 : 5,274,678.63 = 2,190,751.98 : x
  2. Step 2: Convert to fraction form
    3,822,072.72/5,274,678.63 = 2,190,751.98/x
  3. Step 3: Cross multiply
    3,822,072.72x = 5,274,678.63 × 2,190,751.98
  4. Step 4: Simplify right side
    3,822,072.72x = 11,555,512,652,536.19
  5. Step 5: Solve for x
    x = 11,555,512,652,536.19/3,822,072.72
  6. Step 6: Final answer
    x = 3,023,362.85

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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.