Home / 3,084,853.80-4,625,336.70-1,288,986.60

Finding the Fourth Proportional to 3,084,853.80, 4,625,336.70 and 1,288,986.60

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Solution

The fourth proportional to 3,084,853.80, 4,625,336.70 and 1,288,986.60 is: 1,932,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,853.80 : 4,625,336.70 = 1,288,986.60 : x
  2. Step 2: Convert to fraction form
    3,084,853.80/4,625,336.70 = 1,288,986.60/x
  3. Step 3: Cross multiply
    3,084,853.80x = 4,625,336.70 × 1,288,986.60
  4. Step 4: Simplify right side
    3,084,853.80x = 5,961,997,026,788.22
  5. Step 5: Solve for x
    x = 5,961,997,026,788.22/3,084,853.80
  6. Step 6: Final answer
    x = 1,932,667.61

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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.