Home / 2,956,926.12-4,080,390.42-1,667,689.56

Finding the Fourth Proportional to 2,956,926.12, 4,080,390.42 and 1,667,689.56

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Solution

The fourth proportional to 2,956,926.12, 4,080,390.42 and 1,667,689.56 is: 2,301,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,926.12 : 4,080,390.42 = 1,667,689.56 : x
  2. Step 2: Convert to fraction form
    2,956,926.12/4,080,390.42 = 1,667,689.56/x
  3. Step 3: Cross multiply
    2,956,926.12x = 4,080,390.42 × 1,667,689.56
  4. Step 4: Simplify right side
    2,956,926.12x = 6,804,824,504,158.02
  5. Step 5: Solve for x
    x = 6,804,824,504,158.02/2,956,926.12
  6. Step 6: Final answer
    x = 2,301,317.05

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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.