Home / 2,055,508.80-3,083,109.60-857,121.60

Finding the Fourth Proportional to 2,055,508.80, 3,083,109.60 and 857,121.60

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Solution

The fourth proportional to 2,055,508.80, 3,083,109.60 and 857,121.60 is: 1,285,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,508.80 : 3,083,109.60 = 857,121.60 : x
  2. Step 2: Convert to fraction form
    2,055,508.80/3,083,109.60 = 857,121.60/x
  3. Step 3: Cross multiply
    2,055,508.80x = 3,083,109.60 × 857,121.60
  4. Step 4: Simplify right side
    2,055,508.80x = 2,642,599,833,327.36
  5. Step 5: Solve for x
    x = 2,642,599,833,327.36/2,055,508.80
  6. Step 6: Final answer
    x = 1,285,618.35

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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.