Home / 2,205,977.82-3,043,777.18-1,287,790.26

Finding the Fourth Proportional to 2,205,977.82, 3,043,777.18 and 1,287,790.26

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Solution

The fourth proportional to 2,205,977.82, 3,043,777.18 and 1,287,790.26 is: 1,776,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,977.82 : 3,043,777.18 = 1,287,790.26 : x
  2. Step 2: Convert to fraction form
    2,205,977.82/3,043,777.18 = 1,287,790.26/x
  3. Step 3: Cross multiply
    2,205,977.82x = 3,043,777.18 × 1,287,790.26
  4. Step 4: Simplify right side
    2,205,977.82x = 3,919,746,606,014.27
  5. Step 5: Solve for x
    x = 3,919,746,606,014.27/2,205,977.82
  6. Step 6: Final answer
    x = 1,776,874.89

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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.