Home / 3,964,745.68-5,471,387.40-2,153,922.64

Finding the Fourth Proportional to 3,964,745.68, 5,471,387.40 and 2,153,922.64

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Solution

The fourth proportional to 3,964,745.68, 5,471,387.40 and 2,153,922.64 is: 2,972,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,745.68 : 5,471,387.40 = 2,153,922.64 : x
  2. Step 2: Convert to fraction form
    3,964,745.68/5,471,387.40 = 2,153,922.64/x
  3. Step 3: Cross multiply
    3,964,745.68x = 5,471,387.40 × 2,153,922.64
  4. Step 4: Simplify right side
    3,964,745.68x = 11,784,945,193,070.74
  5. Step 5: Solve for x
    x = 11,784,945,193,070.74/3,964,745.68
  6. Step 6: Final answer
    x = 2,972,434.08

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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.