Home / 5,174,996.72-7,136,651.64-4,089,860.68

Finding the Fourth Proportional to 5,174,996.72, 7,136,651.64 and 4,089,860.68

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Solution

The fourth proportional to 5,174,996.72, 7,136,651.64 and 4,089,860.68 is: 5,640,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,996.72 : 7,136,651.64 = 4,089,860.68 : x
  2. Step 2: Convert to fraction form
    5,174,996.72/7,136,651.64 = 4,089,860.68/x
  3. Step 3: Cross multiply
    5,174,996.72x = 7,136,651.64 × 4,089,860.68
  4. Step 4: Simplify right side
    5,174,996.72x = 29,187,910,929,293.52
  5. Step 5: Solve for x
    x = 29,187,910,929,293.52/5,174,996.72
  6. Step 6: Final answer
    x = 5,640,179.60

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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.