Home / 3,986,542.80-5,979,599.52-1,962,768.96

Finding the Fourth Proportional to 3,986,542.80, 5,979,599.52 and 1,962,768.96

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Solution

The fourth proportional to 3,986,542.80, 5,979,599.52 and 1,962,768.96 is: 2,944,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,542.80 : 5,979,599.52 = 1,962,768.96 : x
  2. Step 2: Convert to fraction form
    3,986,542.80/5,979,599.52 = 1,962,768.96/x
  3. Step 3: Cross multiply
    3,986,542.80x = 5,979,599.52 × 1,962,768.96
  4. Step 4: Simplify right side
    3,986,542.80x = 11,736,572,331,086.90
  5. Step 5: Solve for x
    x = 11,736,572,331,086.90/3,986,542.80
  6. Step 6: Final answer
    x = 2,944,047.74

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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.