Home / 4,917,976.20-7,378,001.10-2,076,625.80

Finding the Fourth Proportional to 4,917,976.20, 7,378,001.10 and 2,076,625.80

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Solution

The fourth proportional to 4,917,976.20, 7,378,001.10 and 2,076,625.80 is: 3,115,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917,976.20 : 7,378,001.10 = 2,076,625.80 : x
  2. Step 2: Convert to fraction form
    4,917,976.20/7,378,001.10 = 2,076,625.80/x
  3. Step 3: Cross multiply
    4,917,976.20x = 7,378,001.10 × 2,076,625.80
  4. Step 4: Simplify right side
    4,917,976.20x = 15,321,347,436,688.38
  5. Step 5: Solve for x
    x = 15,321,347,436,688.38/4,917,976.20
  6. Step 6: Final answer
    x = 3,115,376.49

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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.