Home / 5,378,229.58-7,421,768.30-2,930,790.69

Finding the Fourth Proportional to 5,378,229.58, 7,421,768.30 and 2,930,790.69

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Solution

The fourth proportional to 5,378,229.58, 7,421,768.30 and 2,930,790.69 is: 4,044,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,229.58 : 7,421,768.30 = 2,930,790.69 : x
  2. Step 2: Convert to fraction form
    5,378,229.58/7,421,768.30 = 2,930,790.69/x
  3. Step 3: Cross multiply
    5,378,229.58x = 7,421,768.30 × 2,930,790.69
  4. Step 4: Simplify right side
    5,378,229.58x = 21,751,649,436,977.12
  5. Step 5: Solve for x
    x = 21,751,649,436,977.12/5,378,229.58
  6. Step 6: Final answer
    x = 4,044,388.42

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1.5x scale

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.