Home / 3,991,365.24-5,508,074.70-2,180,542.20

Finding the Fourth Proportional to 3,991,365.24, 5,508,074.70 and 2,180,542.20

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Solution

The fourth proportional to 3,991,365.24, 5,508,074.70 and 2,180,542.20 is: 3,009,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,365.24 : 5,508,074.70 = 2,180,542.20 : x
  2. Step 2: Convert to fraction form
    3,991,365.24/5,508,074.70 = 2,180,542.20/x
  3. Step 3: Cross multiply
    3,991,365.24x = 5,508,074.70 × 2,180,542.20
  4. Step 4: Simplify right side
    3,991,365.24x = 12,010,589,324,102.34
  5. Step 5: Solve for x
    x = 12,010,589,324,102.34/3,991,365.24
  6. Step 6: Final answer
    x = 3,009,143.14

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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.