Home / 7,541,638.54-11,312,481.03-1,861,863.46

Finding the Fourth Proportional to 7,541,638.54, 11,312,481.03 and 1,861,863.46

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Solution

The fourth proportional to 7,541,638.54, 11,312,481.03 and 1,861,863.46 is: 2,792,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541,638.54 : 11,312,481.03 = 1,861,863.46 : x
  2. Step 2: Convert to fraction form
    7,541,638.54/11,312,481.03 = 1,861,863.46/x
  3. Step 3: Cross multiply
    7,541,638.54x = 11,312,481.03 × 1,861,863.46
  4. Step 4: Simplify right side
    7,541,638.54x = 21,062,295,071,700.16
  5. Step 5: Solve for x
    x = 21,062,295,071,700.16/7,541,638.54
  6. Step 6: Final answer
    x = 2,792,800.92

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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.