Home / 2,280,312.48-3,146,789.76-1,261,717.20

Finding the Fourth Proportional to 2,280,312.48, 3,146,789.76 and 1,261,717.20

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Solution

The fourth proportional to 2,280,312.48, 3,146,789.76 and 1,261,717.20 is: 1,741,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,312.48 : 3,146,789.76 = 1,261,717.20 : x
  2. Step 2: Convert to fraction form
    2,280,312.48/3,146,789.76 = 1,261,717.20/x
  3. Step 3: Cross multiply
    2,280,312.48x = 3,146,789.76 × 1,261,717.20
  4. Step 4: Simplify right side
    2,280,312.48x = 3,970,358,764,975.87
  5. Step 5: Solve for x
    x = 3,970,358,764,975.87/2,280,312.48
  6. Step 6: Final answer
    x = 1,741,146.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.