Home / 3,896,556.60-5,377,309.02-2,177,788.44

Finding the Fourth Proportional to 3,896,556.60, 5,377,309.02 and 2,177,788.44

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Solution

The fourth proportional to 3,896,556.60, 5,377,309.02 and 2,177,788.44 is: 3,005,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,556.60 : 5,377,309.02 = 2,177,788.44 : x
  2. Step 2: Convert to fraction form
    3,896,556.60/5,377,309.02 = 2,177,788.44/x
  3. Step 3: Cross multiply
    3,896,556.60x = 5,377,309.02 × 2,177,788.44
  4. Step 4: Simplify right side
    3,896,556.60x = 11,710,641,422,063.73
  5. Step 5: Solve for x
    x = 11,710,641,422,063.73/3,896,556.60
  6. Step 6: Final answer
    x = 3,005,382.09

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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.