Home / 2,867,643.21-3,956,884.56-1,643,723.52

Finding the Fourth Proportional to 2,867,643.21, 3,956,884.56 and 1,643,723.52

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Solution

The fourth proportional to 2,867,643.21, 3,956,884.56 and 1,643,723.52 is: 2,268,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,643.21 : 3,956,884.56 = 1,643,723.52 : x
  2. Step 2: Convert to fraction form
    2,867,643.21/3,956,884.56 = 1,643,723.52/x
  3. Step 3: Cross multiply
    2,867,643.21x = 3,956,884.56 × 1,643,723.52
  4. Step 4: Simplify right side
    2,867,643.21x = 6,504,024,217,196.85
  5. Step 5: Solve for x
    x = 6,504,024,217,196.85/2,867,643.21
  6. Step 6: Final answer
    x = 2,268,073.03

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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.