Home / 5,239,932.72-7,231,033.05-2,948,087.94

Finding the Fourth Proportional to 5,239,932.72, 7,231,033.05 and 2,948,087.94

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Solution

The fourth proportional to 5,239,932.72, 7,231,033.05 and 2,948,087.94 is: 4,068,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,932.72 : 7,231,033.05 = 2,948,087.94 : x
  2. Step 2: Convert to fraction form
    5,239,932.72/7,231,033.05 = 2,948,087.94/x
  3. Step 3: Cross multiply
    5,239,932.72x = 7,231,033.05 × 2,948,087.94
  4. Step 4: Simplify right side
    5,239,932.72x = 21,317,721,328,446.42
  5. Step 5: Solve for x
    x = 21,317,721,328,446.42/5,239,932.72
  6. Step 6: Final answer
    x = 4,068,319.67

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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.