Home / 3,138,314.63-4,331,326.77-1,743,194.52

Finding the Fourth Proportional to 3,138,314.63, 4,331,326.77 and 1,743,194.52

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Solution

The fourth proportional to 3,138,314.63, 4,331,326.77 and 1,743,194.52 is: 2,405,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,314.63 : 4,331,326.77 = 1,743,194.52 : x
  2. Step 2: Convert to fraction form
    3,138,314.63/4,331,326.77 = 1,743,194.52/x
  3. Step 3: Cross multiply
    3,138,314.63x = 4,331,326.77 × 1,743,194.52
  4. Step 4: Simplify right side
    3,138,314.63x = 7,550,345,089,793.30
  5. Step 5: Solve for x
    x = 7,550,345,089,793.30/3,138,314.63
  6. Step 6: Final answer
    x = 2,405,859.83

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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.