Home / 3,882,880.80-5,821,988.40-1,993,312.80

Finding the Fourth Proportional to 3,882,880.80, 5,821,988.40 and 1,993,312.80

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Solution

The fourth proportional to 3,882,880.80, 5,821,988.40 and 1,993,312.80 is: 2,988,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,880.80 : 5,821,988.40 = 1,993,312.80 : x
  2. Step 2: Convert to fraction form
    3,882,880.80/5,821,988.40 = 1,993,312.80/x
  3. Step 3: Cross multiply
    3,882,880.80x = 5,821,988.40 × 1,993,312.80
  4. Step 4: Simplify right side
    3,882,880.80x = 11,605,043,999,171.52
  5. Step 5: Solve for x
    x = 11,605,043,999,171.52/3,882,880.80
  6. Step 6: Final answer
    x = 2,988,771.64

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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.