Home / 2,261,533.56-3,120,784.38-1,242,939.12

Finding the Fourth Proportional to 2,261,533.56, 3,120,784.38 and 1,242,939.12

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Solution

The fourth proportional to 2,261,533.56, 3,120,784.38 and 1,242,939.12 is: 1,715,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,533.56 : 3,120,784.38 = 1,242,939.12 : x
  2. Step 2: Convert to fraction form
    2,261,533.56/3,120,784.38 = 1,242,939.12/x
  3. Step 3: Cross multiply
    2,261,533.56x = 3,120,784.38 × 1,242,939.12
  4. Step 4: Simplify right side
    2,261,533.56x = 3,878,944,990,986.95
  5. Step 5: Solve for x
    x = 3,878,944,990,986.95/2,261,533.56
  6. Step 6: Final answer
    x = 1,715,183.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.