Home / 3,993,815.20-5,990,722.80-1,154,214.40

Finding the Fourth Proportional to 3,993,815.20, 5,990,722.80 and 1,154,214.40

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Solution

The fourth proportional to 3,993,815.20, 5,990,722.80 and 1,154,214.40 is: 1,731,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,815.20 : 5,990,722.80 = 1,154,214.40 : x
  2. Step 2: Convert to fraction form
    3,993,815.20/5,990,722.80 = 1,154,214.40/x
  3. Step 3: Cross multiply
    3,993,815.20x = 5,990,722.80 × 1,154,214.40
  4. Step 4: Simplify right side
    3,993,815.20x = 6,914,578,522,168.32
  5. Step 5: Solve for x
    x = 6,914,578,522,168.32/3,993,815.20
  6. Step 6: Final answer
    x = 1,731,321.60

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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.