Home / 1,900,729.18-2,622,613.12-1,085,198.25

Finding the Fourth Proportional to 1,900,729.18, 2,622,613.12 and 1,085,198.25

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Solution

The fourth proportional to 1,900,729.18, 2,622,613.12 and 1,085,198.25 is: 1,497,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,729.18 : 2,622,613.12 = 1,085,198.25 : x
  2. Step 2: Convert to fraction form
    1,900,729.18/2,622,613.12 = 1,085,198.25/x
  3. Step 3: Cross multiply
    1,900,729.18x = 2,622,613.12 × 1,085,198.25
  4. Step 4: Simplify right side
    1,900,729.18x = 2,846,055,168,251.04
  5. Step 5: Solve for x
    x = 2,846,055,168,251.04/1,900,729.18
  6. Step 6: Final answer
    x = 1,497,349.12

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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.