Home / 2,810,635.20-4,215,321.61-1,292,860.24

Finding the Fourth Proportional to 2,810,635.20, 4,215,321.61 and 1,292,860.24

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Solution

The fourth proportional to 2,810,635.20, 4,215,321.61 and 1,292,860.24 is: 1,939,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,635.20 : 4,215,321.61 = 1,292,860.24 : x
  2. Step 2: Convert to fraction form
    2,810,635.20/4,215,321.61 = 1,292,860.24/x
  3. Step 3: Cross multiply
    2,810,635.20x = 4,215,321.61 × 1,292,860.24
  4. Step 4: Simplify right side
    2,810,635.20x = 5,449,821,694,611.33
  5. Step 5: Solve for x
    x = 5,449,821,694,611.33/2,810,635.20
  6. Step 6: Final answer
    x = 1,939,000.01

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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.