Home / 2,164,930.20-2,987,609.46-1,198,127.16

Finding the Fourth Proportional to 2,164,930.20, 2,987,609.46 and 1,198,127.16

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Solution

The fourth proportional to 2,164,930.20, 2,987,609.46 and 1,198,127.16 is: 1,653,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,930.20 : 2,987,609.46 = 1,198,127.16 : x
  2. Step 2: Convert to fraction form
    2,164,930.20/2,987,609.46 = 1,198,127.16/x
  3. Step 3: Cross multiply
    2,164,930.20x = 2,987,609.46 × 1,198,127.16
  4. Step 4: Simplify right side
    2,164,930.20x = 3,579,536,037,498.93
  5. Step 5: Solve for x
    x = 3,579,536,037,498.93/2,164,930.20
  6. Step 6: Final answer
    x = 1,653,418.68

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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.