Home / 2,280,321.81-3,146,795.60-1,247,825.48

Finding the Fourth Proportional to 2,280,321.81, 3,146,795.60 and 1,247,825.48

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Solution

The fourth proportional to 2,280,321.81, 3,146,795.60 and 1,247,825.48 is: 1,721,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,321.81 : 3,146,795.60 = 1,247,825.48 : x
  2. Step 2: Convert to fraction form
    2,280,321.81/3,146,795.60 = 1,247,825.48/x
  3. Step 3: Cross multiply
    2,280,321.81x = 3,146,795.60 × 1,247,825.48
  4. Step 4: Simplify right side
    2,280,321.81x = 3,926,651,708,058.78
  5. Step 5: Solve for x
    x = 3,926,651,708,058.78/2,280,321.81
  6. Step 6: Final answer
    x = 1,721,972.61

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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.