Home / 6,416,772-8,855,145.36-3,838,561.44

Finding the Fourth Proportional to 6,416,772, 8,855,145.36 and 3,838,561.44

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Solution

The fourth proportional to 6,416,772, 8,855,145.36 and 3,838,561.44 is: 5,297,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416,772 : 8,855,145.36 = 3,838,561.44 : x
  2. Step 2: Convert to fraction form
    6,416,772/8,855,145.36 = 3,838,561.44/x
  3. Step 3: Cross multiply
    6,416,772x = 8,855,145.36 × 3,838,561.44
  4. Step 4: Simplify right side
    6,416,772x = 33,991,019,524,490.91
  5. Step 5: Solve for x
    x = 33,991,019,524,490.91/6,416,772
  6. Step 6: Final answer
    x = 5,297,214.79

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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.