Home / 2,679,218.20-4,018,827.30-2,380,619.80

Finding the Fourth Proportional to 2,679,218.20, 4,018,827.30 and 2,380,619.80

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Solution

The fourth proportional to 2,679,218.20, 4,018,827.30 and 2,380,619.80 is: 3,570,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,218.20 : 4,018,827.30 = 2,380,619.80 : x
  2. Step 2: Convert to fraction form
    2,679,218.20/4,018,827.30 = 2,380,619.80/x
  3. Step 3: Cross multiply
    2,679,218.20x = 4,018,827.30 × 2,380,619.80
  4. Step 4: Simplify right side
    2,679,218.20x = 9,567,299,843,160.54
  5. Step 5: Solve for x
    x = 9,567,299,843,160.54/2,679,218.20
  6. Step 6: Final answer
    x = 3,570,929.70

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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.