Home / 3,158,299.83-4,737,450.19-762,144.47

Finding the Fourth Proportional to 3,158,299.83, 4,737,450.19 and 762,144.47

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Solution

The fourth proportional to 3,158,299.83, 4,737,450.19 and 762,144.47 is: 1,143,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,299.83 : 4,737,450.19 = 762,144.47 : x
  2. Step 2: Convert to fraction form
    3,158,299.83/4,737,450.19 = 762,144.47/x
  3. Step 3: Cross multiply
    3,158,299.83x = 4,737,450.19 × 762,144.47
  4. Step 4: Simplify right side
    3,158,299.83x = 3,610,621,464,208.95
  5. Step 5: Solve for x
    x = 3,610,621,464,208.95/3,158,299.83
  6. Step 6: Final answer
    x = 1,143,216.81

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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.