Home / 2,185,667.75-3,016,221.50-1,280,249.75

Finding the Fourth Proportional to 2,185,667.75, 3,016,221.50 and 1,280,249.75

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Solution

The fourth proportional to 2,185,667.75, 3,016,221.50 and 1,280,249.75 is: 1,766,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,667.75 : 3,016,221.50 = 1,280,249.75 : x
  2. Step 2: Convert to fraction form
    2,185,667.75/3,016,221.50 = 1,280,249.75/x
  3. Step 3: Cross multiply
    2,185,667.75x = 3,016,221.50 × 1,280,249.75
  4. Step 4: Simplify right side
    2,185,667.75x = 3,861,516,821,319.63
  5. Step 5: Solve for x
    x = 3,861,516,821,319.63/2,185,667.75
  6. Step 6: Final answer
    x = 1,766,744.66

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1.5x scale

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.