Home / 3,131,033.52-4,288,451.25-2,947,194.30

Finding the Fourth Proportional to 3,131,033.52, 4,288,451.25 and 2,947,194.30

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Solution

The fourth proportional to 3,131,033.52, 4,288,451.25 and 2,947,194.30 is: 4,036,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,033.52 : 4,288,451.25 = 2,947,194.30 : x
  2. Step 2: Convert to fraction form
    3,131,033.52/4,288,451.25 = 2,947,194.30/x
  3. Step 3: Cross multiply
    3,131,033.52x = 4,288,451.25 × 2,947,194.30
  4. Step 4: Simplify right side
    3,131,033.52x = 12,638,899,079,827.88
  5. Step 5: Solve for x
    x = 12,638,899,079,827.88/3,131,033.52
  6. Step 6: Final answer
    x = 4,036,654.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.