Home / 2,642,695.88-3,647,431.78-1,723,328.90

Finding the Fourth Proportional to 2,642,695.88, 3,647,431.78 and 1,723,328.90

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Solution

The fourth proportional to 2,642,695.88, 3,647,431.78 and 1,723,328.90 is: 2,378,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,695.88 : 3,647,431.78 = 1,723,328.90 : x
  2. Step 2: Convert to fraction form
    2,642,695.88/3,647,431.78 = 1,723,328.90/x
  3. Step 3: Cross multiply
    2,642,695.88x = 3,647,431.78 × 1,723,328.90
  4. Step 4: Simplify right side
    2,642,695.88x = 6,285,724,597,252.44
  5. Step 5: Solve for x
    x = 6,285,724,597,252.44/2,642,695.88
  6. Step 6: Final answer
    x = 2,378,527.41

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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.