Home / 3,128,738.12-4,685,080.88-2,167,828.64

Finding the Fourth Proportional to 3,128,738.12, 4,685,080.88 and 2,167,828.64

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Solution

The fourth proportional to 3,128,738.12, 4,685,080.88 and 2,167,828.64 is: 3,246,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,738.12 : 4,685,080.88 = 2,167,828.64 : x
  2. Step 2: Convert to fraction form
    3,128,738.12/4,685,080.88 = 2,167,828.64/x
  3. Step 3: Cross multiply
    3,128,738.12x = 4,685,080.88 × 2,167,828.64
  4. Step 4: Simplify right side
    3,128,738.12x = 10,156,452,494,374.57
  5. Step 5: Solve for x
    x = 10,156,452,494,374.57/3,128,738.12
  6. Step 6: Final answer
    x = 3,246,181.73

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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.