Home / 3,086,129.80-4,629,194.70-842,494.60

Finding the Fourth Proportional to 3,086,129.80, 4,629,194.70 and 842,494.60

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Solution

The fourth proportional to 3,086,129.80, 4,629,194.70 and 842,494.60 is: 1,263,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,129.80 : 4,629,194.70 = 842,494.60 : x
  2. Step 2: Convert to fraction form
    3,086,129.80/4,629,194.70 = 842,494.60/x
  3. Step 3: Cross multiply
    3,086,129.80x = 4,629,194.70 × 842,494.60
  4. Step 4: Simplify right side
    3,086,129.80x = 3,900,071,537,098.62
  5. Step 5: Solve for x
    x = 3,900,071,537,098.62/3,086,129.80
  6. Step 6: Final answer
    x = 1,263,741.90

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Similar ratio
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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.