Home / 2,115,922.24-2,919,942.40-1,198,127.52

Finding the Fourth Proportional to 2,115,922.24, 2,919,942.40 and 1,198,127.52

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Solution

The fourth proportional to 2,115,922.24, 2,919,942.40 and 1,198,127.52 is: 1,653,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,922.24 : 2,919,942.40 = 1,198,127.52 : x
  2. Step 2: Convert to fraction form
    2,115,922.24/2,919,942.40 = 1,198,127.52/x
  3. Step 3: Cross multiply
    2,115,922.24x = 2,919,942.40 × 1,198,127.52
  4. Step 4: Simplify right side
    2,115,922.24x = 3,498,463,346,254.85
  5. Step 5: Solve for x
    x = 3,498,463,346,254.85/2,115,922.24
  6. Step 6: Final answer
    x = 1,653,398.83

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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.