Home / 2,086,845.40-3,130,268.10-1,945,840.60

Finding the Fourth Proportional to 2,086,845.40, 3,130,268.10 and 1,945,840.60

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Solution

The fourth proportional to 2,086,845.40, 3,130,268.10 and 1,945,840.60 is: 2,918,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,845.40 : 3,130,268.10 = 1,945,840.60 : x
  2. Step 2: Convert to fraction form
    2,086,845.40/3,130,268.10 = 1,945,840.60/x
  3. Step 3: Cross multiply
    2,086,845.40x = 3,130,268.10 × 1,945,840.60
  4. Step 4: Simplify right side
    2,086,845.40x = 6,091,002,757,864.86
  5. Step 5: Solve for x
    x = 6,091,002,757,864.86/2,086,845.40
  6. Step 6: Final answer
    x = 2,918,760.90

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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.