Home / 3,281,331.10-4,921,996.65-3,155,359.90

Finding the Fourth Proportional to 3,281,331.10, 4,921,996.65 and 3,155,359.90

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Solution

The fourth proportional to 3,281,331.10, 4,921,996.65 and 3,155,359.90 is: 4,733,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,331.10 : 4,921,996.65 = 3,155,359.90 : x
  2. Step 2: Convert to fraction form
    3,281,331.10/4,921,996.65 = 3,155,359.90/x
  3. Step 3: Cross multiply
    3,281,331.10x = 4,921,996.65 × 3,155,359.90
  4. Step 4: Simplify right side
    3,281,331.10x = 15,530,670,857,344.34
  5. Step 5: Solve for x
    x = 15,530,670,857,344.34/3,281,331.10
  6. Step 6: Final answer
    x = 4,733,039.85

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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.