Home / 3,238,666.10-4,857,999.15-3,191,426.90

Finding the Fourth Proportional to 3,238,666.10, 4,857,999.15 and 3,191,426.90

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Solution

The fourth proportional to 3,238,666.10, 4,857,999.15 and 3,191,426.90 is: 4,787,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,666.10 : 4,857,999.15 = 3,191,426.90 : x
  2. Step 2: Convert to fraction form
    3,238,666.10/4,857,999.15 = 3,191,426.90/x
  3. Step 3: Cross multiply
    3,238,666.10x = 4,857,999.15 × 3,191,426.90
  4. Step 4: Simplify right side
    3,238,666.10x = 15,503,949,167,487.13
  5. Step 5: Solve for x
    x = 15,503,949,167,487.13/3,238,666.10
  6. Step 6: Final answer
    x = 4,787,140.35

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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.