Home / 2,889,751.87-3,985,105.77-1,728,008.92

Finding the Fourth Proportional to 2,889,751.87, 3,985,105.77 and 1,728,008.92

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Solution

The fourth proportional to 2,889,751.87, 3,985,105.77 and 1,728,008.92 is: 2,383,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,751.87 : 3,985,105.77 = 1,728,008.92 : x
  2. Step 2: Convert to fraction form
    2,889,751.87/3,985,105.77 = 1,728,008.92/x
  3. Step 3: Cross multiply
    2,889,751.87x = 3,985,105.77 × 1,728,008.92
  4. Step 4: Simplify right side
    2,889,751.87x = 6,886,298,320,998.58
  5. Step 5: Solve for x
    x = 6,886,298,320,998.58/2,889,751.87
  6. Step 6: Final answer
    x = 2,383,006.79

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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.