Home / 5,134,938.72-7,086,436.64-2,843,099.20

Finding the Fourth Proportional to 5,134,938.72, 7,086,436.64 and 2,843,099.20

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Solution

The fourth proportional to 5,134,938.72, 7,086,436.64 and 2,843,099.20 is: 3,923,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,938.72 : 7,086,436.64 = 2,843,099.20 : x
  2. Step 2: Convert to fraction form
    5,134,938.72/7,086,436.64 = 2,843,099.20/x
  3. Step 3: Cross multiply
    5,134,938.72x = 7,086,436.64 × 2,843,099.20
  4. Step 4: Simplify right side
    5,134,938.72x = 20,147,442,342,034.69
  5. Step 5: Solve for x
    x = 20,147,442,342,034.69/5,134,938.72
  6. Step 6: Final answer
    x = 3,923,599.37

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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.