Home / 2,758,234.40-4,128,020.40-2,422,311.20

Finding the Fourth Proportional to 2,758,234.40, 4,128,020.40 and 2,422,311.20

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Solution

The fourth proportional to 2,758,234.40, 4,128,020.40 and 2,422,311.20 is: 3,625,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,234.40 : 4,128,020.40 = 2,422,311.20 : x
  2. Step 2: Convert to fraction form
    2,758,234.40/4,128,020.40 = 2,422,311.20/x
  3. Step 3: Cross multiply
    2,758,234.40x = 4,128,020.40 × 2,422,311.20
  4. Step 4: Simplify right side
    2,758,234.40x = 9,999,350,048,748.48
  5. Step 5: Solve for x
    x = 9,999,350,048,748.48/2,758,234.40
  6. Step 6: Final answer
    x = 3,625,272.04

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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.