Home / 2,198,118.40-3,297,566.40-778,998.40

Finding the Fourth Proportional to 2,198,118.40, 3,297,566.40 and 778,998.40

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Solution

The fourth proportional to 2,198,118.40, 3,297,566.40 and 778,998.40 is: 1,168,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,118.40 : 3,297,566.40 = 778,998.40 : x
  2. Step 2: Convert to fraction form
    2,198,118.40/3,297,566.40 = 778,998.40/x
  3. Step 3: Cross multiply
    2,198,118.40x = 3,297,566.40 × 778,998.40
  4. Step 4: Simplify right side
    2,198,118.40x = 2,568,798,949,493.76
  5. Step 5: Solve for x
    x = 2,568,798,949,493.76/2,198,118.40
  6. Step 6: Final answer
    x = 1,168,635.39

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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.