Home / 3,238,643.10-4,857,964.65-3,191,403.90

Finding the Fourth Proportional to 3,238,643.10, 4,857,964.65 and 3,191,403.90

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Solution

The fourth proportional to 3,238,643.10, 4,857,964.65 and 3,191,403.90 is: 4,787,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,643.10 : 4,857,964.65 = 3,191,403.90 : x
  2. Step 2: Convert to fraction form
    3,238,643.10/4,857,964.65 = 3,191,403.90/x
  3. Step 3: Cross multiply
    3,238,643.10x = 4,857,964.65 × 3,191,403.90
  4. Step 4: Simplify right side
    3,238,643.10x = 15,503,727,330,072.13
  5. Step 5: Solve for x
    x = 15,503,727,330,072.13/3,238,643.10
  6. Step 6: Final answer
    x = 4,787,105.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.