Home / 3,208,418-4,427,616.84-1,777,634

Finding the Fourth Proportional to 3,208,418, 4,427,616.84 and 1,777,634

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Solution

The fourth proportional to 3,208,418, 4,427,616.84 and 1,777,634 is: 2,453,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,418 : 4,427,616.84 = 1,777,634 : x
  2. Step 2: Convert to fraction form
    3,208,418/4,427,616.84 = 1,777,634/x
  3. Step 3: Cross multiply
    3,208,418x = 4,427,616.84 × 1,777,634
  4. Step 4: Simplify right side
    3,208,418x = 7,870,682,233,756.56
  5. Step 5: Solve for x
    x = 7,870,682,233,756.56/3,208,418
  6. Step 6: Final answer
    x = 2,453,134.92

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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.