Home / 3,876,667.26-5,349,801.06-2,157,750.90

Finding the Fourth Proportional to 3,876,667.26, 5,349,801.06 and 2,157,750.90

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Solution

The fourth proportional to 3,876,667.26, 5,349,801.06 and 2,157,750.90 is: 2,977,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,667.26 : 5,349,801.06 = 2,157,750.90 : x
  2. Step 2: Convert to fraction form
    3,876,667.26/5,349,801.06 = 2,157,750.90/x
  3. Step 3: Cross multiply
    3,876,667.26x = 5,349,801.06 × 2,157,750.90
  4. Step 4: Simplify right side
    3,876,667.26x = 11,543,538,052,035.95
  5. Step 5: Solve for x
    x = 11,543,538,052,035.95/3,876,667.26
  6. Step 6: Final answer
    x = 2,977,696.38

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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.