Home / 3,790,683.75-5,231,133.86-2,071,815.96

Finding the Fourth Proportional to 3,790,683.75, 5,231,133.86 and 2,071,815.96

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Solution

The fourth proportional to 3,790,683.75, 5,231,133.86 and 2,071,815.96 is: 2,859,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,683.75 : 5,231,133.86 = 2,071,815.96 : x
  2. Step 2: Convert to fraction form
    3,790,683.75/5,231,133.86 = 2,071,815.96/x
  3. Step 3: Cross multiply
    3,790,683.75x = 5,231,133.86 × 2,071,815.96
  4. Step 4: Simplify right side
    3,790,683.75x = 10,837,946,609,685.33
  5. Step 5: Solve for x
    x = 10,837,946,609,685.33/3,790,683.75
  6. Step 6: Final answer
    x = 2,859,100.71

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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.