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Finding the Fourth Proportional to 3,836,262.06, 5,754,342.96 and 1,103,880.78

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Solution

The fourth proportional to 3,836,262.06, 5,754,342.96 and 1,103,880.78 is: 1,655,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,262.06 : 5,754,342.96 = 1,103,880.78 : x
  2. Step 2: Convert to fraction form
    3,836,262.06/5,754,342.96 = 1,103,880.78/x
  3. Step 3: Cross multiply
    3,836,262.06x = 5,754,342.96 × 1,103,880.78
  4. Step 4: Simplify right side
    3,836,262.06x = 6,352,108,595,072.31
  5. Step 5: Solve for x
    x = 6,352,108,595,072.31/3,836,262.06
  6. Step 6: Final answer
    x = 1,655,806.75

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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.