Home / 3,609,286.49-4,980,816.56-1,977,680.61

Finding the Fourth Proportional to 3,609,286.49, 4,980,816.56 and 1,977,680.61

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Solution

The fourth proportional to 3,609,286.49, 4,980,816.56 and 1,977,680.61 is: 2,729,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,286.49 : 4,980,816.56 = 1,977,680.61 : x
  2. Step 2: Convert to fraction form
    3,609,286.49/4,980,816.56 = 1,977,680.61/x
  3. Step 3: Cross multiply
    3,609,286.49x = 4,980,816.56 × 1,977,680.61
  4. Step 4: Simplify right side
    3,609,286.49x = 9,850,464,337,623.10
  5. Step 5: Solve for x
    x = 9,850,464,337,623.10/3,609,286.49
  6. Step 6: Final answer
    x = 2,729,199.90

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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.