Home / 2,378,797.88-3,282,744.32-1,291,069.47

Finding the Fourth Proportional to 2,378,797.88, 3,282,744.32 and 1,291,069.47

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Solution

The fourth proportional to 2,378,797.88, 3,282,744.32 and 1,291,069.47 is: 1,781,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,797.88 : 3,282,744.32 = 1,291,069.47 : x
  2. Step 2: Convert to fraction form
    2,378,797.88/3,282,744.32 = 1,291,069.47/x
  3. Step 3: Cross multiply
    2,378,797.88x = 3,282,744.32 × 1,291,069.47
  4. Step 4: Simplify right side
    2,378,797.88x = 4,238,250,962,912.56
  5. Step 5: Solve for x
    x = 4,238,250,962,912.56/2,378,797.88
  6. Step 6: Final answer
    x = 1,781,677.63

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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.