Home / 3,993,371.20-5,990,056.80-1,863,670.60

Finding the Fourth Proportional to 3,993,371.20, 5,990,056.80 and 1,863,670.60

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Solution

The fourth proportional to 3,993,371.20, 5,990,056.80 and 1,863,670.60 is: 2,795,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,371.20 : 5,990,056.80 = 1,863,670.60 : x
  2. Step 2: Convert to fraction form
    3,993,371.20/5,990,056.80 = 1,863,670.60/x
  3. Step 3: Cross multiply
    3,993,371.20x = 5,990,056.80 × 1,863,670.60
  4. Step 4: Simplify right side
    3,993,371.20x = 11,163,492,750,490.08
  5. Step 5: Solve for x
    x = 11,163,492,750,490.08/3,993,371.20
  6. Step 6: Final answer
    x = 2,795,505.90

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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.