Home / 3,858,330.68-5,323,410.42-3,039,997.40

Finding the Fourth Proportional to 3,858,330.68, 5,323,410.42 and 3,039,997.40

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Solution

The fourth proportional to 3,858,330.68, 5,323,410.42 and 3,039,997.40 is: 4,194,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,330.68 : 5,323,410.42 = 3,039,997.40 : x
  2. Step 2: Convert to fraction form
    3,858,330.68/5,323,410.42 = 3,039,997.40/x
  3. Step 3: Cross multiply
    3,858,330.68x = 5,323,410.42 × 3,039,997.40
  4. Step 4: Simplify right side
    3,858,330.68x = 16,183,153,835,932.91
  5. Step 5: Solve for x
    x = 16,183,153,835,932.91/3,858,330.68
  6. Step 6: Final answer
    x = 4,194,340.81

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Double scale
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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.