Home / 3,646,493.60-5,474,665.20-2,131,728.80

Finding the Fourth Proportional to 3,646,493.60, 5,474,665.20 and 2,131,728.80

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Solution

The fourth proportional to 3,646,493.60, 5,474,665.20 and 2,131,728.80 is: 3,200,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,493.60 : 5,474,665.20 = 2,131,728.80 : x
  2. Step 2: Convert to fraction form
    3,646,493.60/5,474,665.20 = 2,131,728.80/x
  3. Step 3: Cross multiply
    3,646,493.60x = 5,474,665.20 × 2,131,728.80
  4. Step 4: Simplify right side
    3,646,493.60x = 11,670,501,477,197.76
  5. Step 5: Solve for x
    x = 11,670,501,477,197.76/3,646,493.60
  6. Step 6: Final answer
    x = 3,200,472.22

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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.