Home / 6,861,942.28-9,469,450-3,921,710.32

Finding the Fourth Proportional to 6,861,942.28, 9,469,450 and 3,921,710.32

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Solution

The fourth proportional to 6,861,942.28, 9,469,450 and 3,921,710.32 is: 5,411,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861,942.28 : 9,469,450 = 3,921,710.32 : x
  2. Step 2: Convert to fraction form
    6,861,942.28/9,469,450 = 3,921,710.32/x
  3. Step 3: Cross multiply
    6,861,942.28x = 9,469,450 × 3,921,710.32
  4. Step 4: Simplify right side
    6,861,942.28x = 37,136,439,789,724
  5. Step 5: Solve for x
    x = 37,136,439,789,724/6,861,942.28
  6. Step 6: Final answer
    x = 5,411,942.90

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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.