Home / 5,076,542.14-7,617,138.55-2,198,789.12

Finding the Fourth Proportional to 5,076,542.14, 7,617,138.55 and 2,198,789.12

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Solution

The fourth proportional to 5,076,542.14, 7,617,138.55 and 2,198,789.12 is: 3,299,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076,542.14 : 7,617,138.55 = 2,198,789.12 : x
  2. Step 2: Convert to fraction form
    5,076,542.14/7,617,138.55 = 2,198,789.12/x
  3. Step 3: Cross multiply
    5,076,542.14x = 7,617,138.55 × 2,198,789.12
  4. Step 4: Simplify right side
    5,076,542.14x = 16,748,481,382,818.45
  5. Step 5: Solve for x
    x = 16,748,481,382,818.45/5,076,542.14
  6. Step 6: Final answer
    x = 3,299,190.85

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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.