Home / 2,116,820.22-2,921,236.77-1,149,965.75

Finding the Fourth Proportional to 2,116,820.22, 2,921,236.77 and 1,149,965.75

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Solution

The fourth proportional to 2,116,820.22, 2,921,236.77 and 1,149,965.75 is: 1,586,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,820.22 : 2,921,236.77 = 1,149,965.75 : x
  2. Step 2: Convert to fraction form
    2,116,820.22/2,921,236.77 = 1,149,965.75/x
  3. Step 3: Cross multiply
    2,116,820.22x = 2,921,236.77 × 1,149,965.75
  4. Step 4: Simplify right side
    2,116,820.22x = 3,359,322,218,534.44
  5. Step 5: Solve for x
    x = 3,359,322,218,534.44/2,116,820.22
  6. Step 6: Final answer
    x = 1,586,966.24

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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.