Home / 2,871,249.90-4,307,458.05-978,182.70

Finding the Fourth Proportional to 2,871,249.90, 4,307,458.05 and 978,182.70

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Solution

The fourth proportional to 2,871,249.90, 4,307,458.05 and 978,182.70 is: 1,467,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,249.90 : 4,307,458.05 = 978,182.70 : x
  2. Step 2: Convert to fraction form
    2,871,249.90/4,307,458.05 = 978,182.70/x
  3. Step 3: Cross multiply
    2,871,249.90x = 4,307,458.05 × 978,182.70
  4. Step 4: Simplify right side
    2,871,249.90x = 4,213,480,945,485.73
  5. Step 5: Solve for x
    x = 4,213,480,945,485.73/2,871,249.90
  6. Step 6: Final answer
    x = 1,467,472.74

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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.