Home / 6,419,305.84-8,858,749.14-3,479,216.80

Finding the Fourth Proportional to 6,419,305.84, 8,858,749.14 and 3,479,216.80

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Solution

The fourth proportional to 6,419,305.84, 8,858,749.14 and 3,479,216.80 is: 4,801,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,305.84 : 8,858,749.14 = 3,479,216.80 : x
  2. Step 2: Convert to fraction form
    6,419,305.84/8,858,749.14 = 3,479,216.80/x
  3. Step 3: Cross multiply
    6,419,305.84x = 8,858,749.14 × 3,479,216.80
  4. Step 4: Simplify right side
    6,419,305.84x = 30,821,508,834,873.55
  5. Step 5: Solve for x
    x = 30,821,508,834,873.55/6,419,305.84
  6. Step 6: Final answer
    x = 4,801,377.22

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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.