Home / 2,115,902.67-3,173,440.86-676,199.88

Finding the Fourth Proportional to 2,115,902.67, 3,173,440.86 and 676,199.88

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Solution

The fourth proportional to 2,115,902.67, 3,173,440.86 and 676,199.88 is: 1,014,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,902.67 : 3,173,440.86 = 676,199.88 : x
  2. Step 2: Convert to fraction form
    2,115,902.67/3,173,440.86 = 676,199.88/x
  3. Step 3: Cross multiply
    2,115,902.67x = 3,173,440.86 × 676,199.88
  4. Step 4: Simplify right side
    2,115,902.67x = 2,145,880,328,719.10
  5. Step 5: Solve for x
    x = 2,145,880,328,719.10/2,115,902.67
  6. Step 6: Final answer
    x = 1,014,167.79

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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.