Home / 3,975,609.36-5,479,790.22-2,812,553.04

Finding the Fourth Proportional to 3,975,609.36, 5,479,790.22 and 2,812,553.04

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Solution

The fourth proportional to 3,975,609.36, 5,479,790.22 and 2,812,553.04 is: 3,876,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,609.36 : 5,479,790.22 = 2,812,553.04 : x
  2. Step 2: Convert to fraction form
    3,975,609.36/5,479,790.22 = 2,812,553.04/x
  3. Step 3: Cross multiply
    3,975,609.36x = 5,479,790.22 × 2,812,553.04
  4. Step 4: Simplify right side
    3,975,609.36x = 15,412,200,641,823.27
  5. Step 5: Solve for x
    x = 15,412,200,641,823.27/3,975,609.36
  6. Step 6: Final answer
    x = 3,876,688.89

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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.