Home / 4,002,099.72-5,522,891.25-2,166,557.50

Finding the Fourth Proportional to 4,002,099.72, 5,522,891.25 and 2,166,557.50

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Solution

The fourth proportional to 4,002,099.72, 5,522,891.25 and 2,166,557.50 is: 2,989,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002,099.72 : 5,522,891.25 = 2,166,557.50 : x
  2. Step 2: Convert to fraction form
    4,002,099.72/5,522,891.25 = 2,166,557.50/x
  3. Step 3: Cross multiply
    4,002,099.72x = 5,522,891.25 × 2,166,557.50
  4. Step 4: Simplify right side
    4,002,099.72x = 11,965,661,459,371.88
  5. Step 5: Solve for x
    x = 11,965,661,459,371.88/4,002,099.72
  6. Step 6: Final answer
    x = 2,989,845.91

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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.