Home / 2,340,421.64-3,511,171.32-992,636.72

Finding the Fourth Proportional to 2,340,421.64, 3,511,171.32 and 992,636.72

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Solution

The fourth proportional to 2,340,421.64, 3,511,171.32 and 992,636.72 is: 1,489,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,421.64 : 3,511,171.32 = 992,636.72 : x
  2. Step 2: Convert to fraction form
    2,340,421.64/3,511,171.32 = 992,636.72/x
  3. Step 3: Cross multiply
    2,340,421.64x = 3,511,171.32 × 992,636.72
  4. Step 4: Simplify right side
    2,340,421.64x = 3,485,317,582,442.87
  5. Step 5: Solve for x
    x = 3,485,317,582,442.87/2,340,421.64
  6. Step 6: Final answer
    x = 1,489,183.63

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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.