Home / 6,728,662.88-9,285,436.28-3,827,991.92

Finding the Fourth Proportional to 6,728,662.88, 9,285,436.28 and 3,827,991.92

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Solution

The fourth proportional to 6,728,662.88, 9,285,436.28 and 3,827,991.92 is: 5,282,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,662.88 : 9,285,436.28 = 3,827,991.92 : x
  2. Step 2: Convert to fraction form
    6,728,662.88/9,285,436.28 = 3,827,991.92/x
  3. Step 3: Cross multiply
    6,728,662.88x = 9,285,436.28 × 3,827,991.92
  4. Step 4: Simplify right side
    6,728,662.88x = 35,544,574,987,947.72
  5. Step 5: Solve for x
    x = 35,544,574,987,947.72/6,728,662.88
  6. Step 6: Final answer
    x = 5,282,561.43

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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.