Home / 5,379,213.66-7,420,431.51-3,443,391.42

Finding the Fourth Proportional to 5,379,213.66, 7,420,431.51 and 3,443,391.42

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Solution

The fourth proportional to 5,379,213.66, 7,420,431.51 and 3,443,391.42 is: 4,750,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,213.66 : 7,420,431.51 = 3,443,391.42 : x
  2. Step 2: Convert to fraction form
    5,379,213.66/7,420,431.51 = 3,443,391.42/x
  3. Step 3: Cross multiply
    5,379,213.66x = 7,420,431.51 × 3,443,391.42
  4. Step 4: Simplify right side
    5,379,213.66x = 25,551,450,194,231.64
  5. Step 5: Solve for x
    x = 25,551,450,194,231.64/5,379,213.66
  6. Step 6: Final answer
    x = 4,750,034.45

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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.