Home / 2,115,982.56-3,173,560.50-676,279.76

Finding the Fourth Proportional to 2,115,982.56, 3,173,560.50 and 676,279.76

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Solution

The fourth proportional to 2,115,982.56, 3,173,560.50 and 676,279.76 is: 1,014,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,982.56 : 3,173,560.50 = 676,279.76 : x
  2. Step 2: Convert to fraction form
    2,115,982.56/3,173,560.50 = 676,279.76/x
  3. Step 3: Cross multiply
    2,115,982.56x = 3,173,560.50 × 676,279.76
  4. Step 4: Simplify right side
    2,115,982.56x = 2,146,214,733,285.48
  5. Step 5: Solve for x
    x = 2,146,214,733,285.48/2,115,982.56
  6. Step 6: Final answer
    x = 1,014,287.53

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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.