Home / 1,633,137.86-2,253,856.49-979,788.36

Finding the Fourth Proportional to 1,633,137.86, 2,253,856.49 and 979,788.36

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Solution

The fourth proportional to 1,633,137.86, 2,253,856.49 and 979,788.36 is: 1,352,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,137.86 : 2,253,856.49 = 979,788.36 : x
  2. Step 2: Convert to fraction form
    1,633,137.86/2,253,856.49 = 979,788.36/x
  3. Step 3: Cross multiply
    1,633,137.86x = 2,253,856.49 × 979,788.36
  4. Step 4: Simplify right side
    1,633,137.86x = 2,208,302,342,743.17
  5. Step 5: Solve for x
    x = 2,208,302,342,743.17/1,633,137.86
  6. Step 6: Final answer
    x = 1,352,183.67

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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.