Home / 2,819,399.76-3,889,001.52-1,672,668

Finding the Fourth Proportional to 2,819,399.76, 3,889,001.52 and 1,672,668

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Solution

The fourth proportional to 2,819,399.76, 3,889,001.52 and 1,672,668 is: 2,307,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,399.76 : 3,889,001.52 = 1,672,668 : x
  2. Step 2: Convert to fraction form
    2,819,399.76/3,889,001.52 = 1,672,668/x
  3. Step 3: Cross multiply
    2,819,399.76x = 3,889,001.52 × 1,672,668
  4. Step 4: Simplify right side
    2,819,399.76x = 6,505,008,394,455.36
  5. Step 5: Solve for x
    x = 6,505,008,394,455.36/2,819,399.76
  6. Step 6: Final answer
    x = 2,307,231.66

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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.