Home / 1,993,442.40-2,990,163.60-1,396,245.60

Finding the Fourth Proportional to 1,993,442.40, 2,990,163.60 and 1,396,245.60

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Solution

The fourth proportional to 1,993,442.40, 2,990,163.60 and 1,396,245.60 is: 2,094,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,442.40 : 2,990,163.60 = 1,396,245.60 : x
  2. Step 2: Convert to fraction form
    1,993,442.40/2,990,163.60 = 1,396,245.60/x
  3. Step 3: Cross multiply
    1,993,442.40x = 2,990,163.60 × 1,396,245.60
  4. Step 4: Simplify right side
    1,993,442.40x = 4,175,002,769,780.16
  5. Step 5: Solve for x
    x = 4,175,002,769,780.16/1,993,442.40
  6. Step 6: Final answer
    x = 2,094,368.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.