Home / 2,236,867.90-3,086,877.52-1,218,272.64

Finding the Fourth Proportional to 2,236,867.90, 3,086,877.52 and 1,218,272.64

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Solution

The fourth proportional to 2,236,867.90, 3,086,877.52 and 1,218,272.64 is: 1,681,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,867.90 : 3,086,877.52 = 1,218,272.64 : x
  2. Step 2: Convert to fraction form
    2,236,867.90/3,086,877.52 = 1,218,272.64/x
  3. Step 3: Cross multiply
    2,236,867.90x = 3,086,877.52 × 1,218,272.64
  4. Step 4: Simplify right side
    2,236,867.90x = 3,760,658,425,647.05
  5. Step 5: Solve for x
    x = 3,760,658,425,647.05/2,236,867.90
  6. Step 6: Final answer
    x = 1,681,216.14

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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.