Home / 2,669,406.20-4,004,791.82-776,147.64

Finding the Fourth Proportional to 2,669,406.20, 4,004,791.82 and 776,147.64

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Solution

The fourth proportional to 2,669,406.20, 4,004,791.82 and 776,147.64 is: 1,164,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,406.20 : 4,004,791.82 = 776,147.64 : x
  2. Step 2: Convert to fraction form
    2,669,406.20/4,004,791.82 = 776,147.64/x
  3. Step 3: Cross multiply
    2,669,406.20x = 4,004,791.82 × 776,147.64
  4. Step 4: Simplify right side
    2,669,406.20x = 3,108,309,708,161.98
  5. Step 5: Solve for x
    x = 3,108,309,708,161.98/2,669,406.20
  6. Step 6: Final answer
    x = 1,164,419.90

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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.