Home / 2,055,418.80-3,083,128.20-635,618.40

Finding the Fourth Proportional to 2,055,418.80, 3,083,128.20 and 635,618.40

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Solution

The fourth proportional to 2,055,418.80, 3,083,128.20 and 635,618.40 is: 953,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,418.80 : 3,083,128.20 = 635,618.40 : x
  2. Step 2: Convert to fraction form
    2,055,418.80/3,083,128.20 = 635,618.40/x
  3. Step 3: Cross multiply
    2,055,418.80x = 3,083,128.20 × 635,618.40
  4. Step 4: Simplify right side
    2,055,418.80x = 1,959,693,013,478.88
  5. Step 5: Solve for x
    x = 1,959,693,013,478.88/2,055,418.80
  6. Step 6: Final answer
    x = 953,427.60

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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.