Home / 5,218,667.56-7,202,155.69-2,895,999.75

Finding the Fourth Proportional to 5,218,667.56, 7,202,155.69 and 2,895,999.75

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Solution

The fourth proportional to 5,218,667.56, 7,202,155.69 and 2,895,999.75 is: 3,996,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,667.56 : 7,202,155.69 = 2,895,999.75 : x
  2. Step 2: Convert to fraction form
    5,218,667.56/7,202,155.69 = 2,895,999.75/x
  3. Step 3: Cross multiply
    5,218,667.56x = 7,202,155.69 × 2,895,999.75
  4. Step 4: Simplify right side
    5,218,667.56x = 20,857,441,081,321.08
  5. Step 5: Solve for x
    x = 20,857,441,081,321.08/5,218,667.56
  6. Step 6: Final answer
    x = 3,996,698.55

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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.