Home / 2,155,667.10-3,233,500.65-639,404.70

Finding the Fourth Proportional to 2,155,667.10, 3,233,500.65 and 639,404.70

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Solution

The fourth proportional to 2,155,667.10, 3,233,500.65 and 639,404.70 is: 959,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,667.10 : 3,233,500.65 = 639,404.70 : x
  2. Step 2: Convert to fraction form
    2,155,667.10/3,233,500.65 = 639,404.70/x
  3. Step 3: Cross multiply
    2,155,667.10x = 3,233,500.65 × 639,404.70
  4. Step 4: Simplify right side
    2,155,667.10x = 2,067,515,513,063.05
  5. Step 5: Solve for x
    x = 2,067,515,513,063.05/2,155,667.10
  6. Step 6: Final answer
    x = 959,107.05

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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.