Home / 4,917,977.20-7,378,002.60-2,076,626.80

Finding the Fourth Proportional to 4,917,977.20, 7,378,002.60 and 2,076,626.80

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Solution

The fourth proportional to 4,917,977.20, 7,378,002.60 and 2,076,626.80 is: 3,115,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917,977.20 : 7,378,002.60 = 2,076,626.80 : x
  2. Step 2: Convert to fraction form
    4,917,977.20/7,378,002.60 = 2,076,626.80/x
  3. Step 3: Cross multiply
    4,917,977.20x = 7,378,002.60 × 2,076,626.80
  4. Step 4: Simplify right side
    4,917,977.20x = 15,321,357,929,629.68
  5. Step 5: Solve for x
    x = 15,321,357,929,629.68/4,917,977.20
  6. Step 6: Final answer
    x = 3,115,377.99

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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.