Home / 2,799,198.90-4,199,464.68-905,940.36

Finding the Fourth Proportional to 2,799,198.90, 4,199,464.68 and 905,940.36

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Solution

The fourth proportional to 2,799,198.90, 4,199,464.68 and 905,940.36 is: 1,359,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,198.90 : 4,199,464.68 = 905,940.36 : x
  2. Step 2: Convert to fraction form
    2,799,198.90/4,199,464.68 = 905,940.36/x
  3. Step 3: Cross multiply
    2,799,198.90x = 4,199,464.68 × 905,940.36
  4. Step 4: Simplify right side
    2,799,198.90x = 3,804,464,544,006.48
  5. Step 5: Solve for x
    x = 3,804,464,544,006.48/2,799,198.90
  6. Step 6: Final answer
    x = 1,359,126.19

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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.