Home / 6,405,725.72-8,840,099.79-3,505,238.84

Finding the Fourth Proportional to 6,405,725.72, 8,840,099.79 and 3,505,238.84

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Solution

The fourth proportional to 6,405,725.72, 8,840,099.79 and 3,505,238.84 is: 4,837,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,725.72 : 8,840,099.79 = 3,505,238.84 : x
  2. Step 2: Convert to fraction form
    6,405,725.72/8,840,099.79 = 3,505,238.84/x
  3. Step 3: Cross multiply
    6,405,725.72x = 8,840,099.79 × 3,505,238.84
  4. Step 4: Simplify right side
    6,405,725.72x = 30,986,661,133,383.84
  5. Step 5: Solve for x
    x = 30,986,661,133,383.84/6,405,725.72
  6. Step 6: Final answer
    x = 4,837,338.11

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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.