Home / 3,887,977.20-5,827,300.20-1,993,743.60

Finding the Fourth Proportional to 3,887,977.20, 5,827,300.20 and 1,993,743.60

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Solution

The fourth proportional to 3,887,977.20, 5,827,300.20 and 1,993,743.60 is: 2,988,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,977.20 : 5,827,300.20 = 1,993,743.60 : x
  2. Step 2: Convert to fraction form
    3,887,977.20/5,827,300.20 = 1,993,743.60/x
  3. Step 3: Cross multiply
    3,887,977.20x = 5,827,300.20 × 1,993,743.60
  4. Step 4: Simplify right side
    3,887,977.20x = 11,618,142,479,028.72
  5. Step 5: Solve for x
    x = 11,618,142,479,028.72/3,887,977.20
  6. Step 6: Final answer
    x = 2,988,222.89

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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.