Home / 4,284,105.42-6,427,221.74-2,126,143.32

Finding the Fourth Proportional to 4,284,105.42, 6,427,221.74 and 2,126,143.32

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Solution

The fourth proportional to 4,284,105.42, 6,427,221.74 and 2,126,143.32 is: 3,189,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284,105.42 : 6,427,221.74 = 2,126,143.32 : x
  2. Step 2: Convert to fraction form
    4,284,105.42/6,427,221.74 = 2,126,143.32/x
  3. Step 3: Cross multiply
    4,284,105.42x = 6,427,221.74 × 2,126,143.32
  4. Step 4: Simplify right side
    4,284,105.42x = 13,665,194,541,900.02
  5. Step 5: Solve for x
    x = 13,665,194,541,900.02/4,284,105.42
  6. Step 6: Final answer
    x = 3,189,742.83

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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.