Home / 5,656,683.96-8,485,103.79-1,613,172.21

Finding the Fourth Proportional to 5,656,683.96, 8,485,103.79 and 1,613,172.21

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Solution

The fourth proportional to 5,656,683.96, 8,485,103.79 and 1,613,172.21 is: 2,419,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,683.96 : 8,485,103.79 = 1,613,172.21 : x
  2. Step 2: Convert to fraction form
    5,656,683.96/8,485,103.79 = 1,613,172.21/x
  3. Step 3: Cross multiply
    5,656,683.96x = 8,485,103.79 × 1,613,172.21
  4. Step 4: Simplify right side
    5,656,683.96x = 13,687,933,632,993.67
  5. Step 5: Solve for x
    x = 13,687,933,632,993.67/5,656,683.96
  6. Step 6: Final answer
    x = 2,419,780.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.