Home / 3,919,377.20-5,879,063.45-1,223,933.36

Finding the Fourth Proportional to 3,919,377.20, 5,879,063.45 and 1,223,933.36

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Solution

The fourth proportional to 3,919,377.20, 5,879,063.45 and 1,223,933.36 is: 1,835,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,377.20 : 5,879,063.45 = 1,223,933.36 : x
  2. Step 2: Convert to fraction form
    3,919,377.20/5,879,063.45 = 1,223,933.36/x
  3. Step 3: Cross multiply
    3,919,377.20x = 5,879,063.45 × 1,223,933.36
  4. Step 4: Simplify right side
    3,919,377.20x = 7,195,581,855,676.21
  5. Step 5: Solve for x
    x = 7,195,581,855,676.21/3,919,377.20
  6. Step 6: Final answer
    x = 1,835,899.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.