Home / 1,927,209.92-2,889,694.34-729,224.78

Finding the Fourth Proportional to 1,927,209.92, 2,889,694.34 and 729,224.78

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Solution

The fourth proportional to 1,927,209.92, 2,889,694.34 and 729,224.78 is: 1,093,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,209.92 : 2,889,694.34 = 729,224.78 : x
  2. Step 2: Convert to fraction form
    1,927,209.92/2,889,694.34 = 729,224.78/x
  3. Step 3: Cross multiply
    1,927,209.92x = 2,889,694.34 × 729,224.78
  4. Step 4: Simplify right side
    1,927,209.92x = 2,107,236,703,993.74
  5. Step 5: Solve for x
    x = 2,107,236,703,993.74/1,927,209.92
  6. Step 6: Final answer
    x = 1,093,413.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.