Home / 3,519,986.76-4,857,619.32-2,161,859.76

Finding the Fourth Proportional to 3,519,986.76, 4,857,619.32 and 2,161,859.76

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Solution

The fourth proportional to 3,519,986.76, 4,857,619.32 and 2,161,859.76 is: 2,983,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,986.76 : 4,857,619.32 = 2,161,859.76 : x
  2. Step 2: Convert to fraction form
    3,519,986.76/4,857,619.32 = 2,161,859.76/x
  3. Step 3: Cross multiply
    3,519,986.76x = 4,857,619.32 × 2,161,859.76
  4. Step 4: Simplify right side
    3,519,986.76x = 10,501,491,737,306.56
  5. Step 5: Solve for x
    x = 10,501,491,737,306.56/3,519,986.76
  6. Step 6: Final answer
    x = 2,983,389.56

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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.