Home / 3,422,354.01-5,138,577.45-1,908,993.75

Finding the Fourth Proportional to 3,422,354.01, 5,138,577.45 and 1,908,993.75

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Solution

The fourth proportional to 3,422,354.01, 5,138,577.45 and 1,908,993.75 is: 2,866,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,354.01 : 5,138,577.45 = 1,908,993.75 : x
  2. Step 2: Convert to fraction form
    3,422,354.01/5,138,577.45 = 1,908,993.75/x
  3. Step 3: Cross multiply
    3,422,354.01x = 5,138,577.45 × 1,908,993.75
  4. Step 4: Simplify right side
    3,422,354.01x = 9,809,512,235,940.94
  5. Step 5: Solve for x
    x = 9,809,512,235,940.94/3,422,354.01
  6. Step 6: Final answer
    x = 2,866,305.53

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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.