Home / 5,384,518.80-8,076,778.20-1,972,798.80

Finding the Fourth Proportional to 5,384,518.80, 8,076,778.20 and 1,972,798.80

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Solution

The fourth proportional to 5,384,518.80, 8,076,778.20 and 1,972,798.80 is: 2,959,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,518.80 : 8,076,778.20 = 1,972,798.80 : x
  2. Step 2: Convert to fraction form
    5,384,518.80/8,076,778.20 = 1,972,798.80/x
  3. Step 3: Cross multiply
    5,384,518.80x = 8,076,778.20 × 1,972,798.80
  4. Step 4: Simplify right side
    5,384,518.80x = 15,933,858,340,826.16
  5. Step 5: Solve for x
    x = 15,933,858,340,826.16/5,384,518.80
  6. Step 6: Final answer
    x = 2,959,198.20

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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.