Home / 3,165,447.72-4,369,824.01-2,120,667.92

Finding the Fourth Proportional to 3,165,447.72, 4,369,824.01 and 2,120,667.92

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Solution

The fourth proportional to 3,165,447.72, 4,369,824.01 and 2,120,667.92 is: 2,927,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,447.72 : 4,369,824.01 = 2,120,667.92 : x
  2. Step 2: Convert to fraction form
    3,165,447.72/4,369,824.01 = 2,120,667.92/x
  3. Step 3: Cross multiply
    3,165,447.72x = 4,369,824.01 × 2,120,667.92
  4. Step 4: Simplify right side
    3,165,447.72x = 9,266,945,599,675.65
  5. Step 5: Solve for x
    x = 9,266,945,599,675.65/3,165,447.72
  6. Step 6: Final answer
    x = 2,927,530.77

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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.