Home / 3,378,128.40-5,057,861.40-2,631,632.40

Finding the Fourth Proportional to 3,378,128.40, 5,057,861.40 and 2,631,632.40

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Solution

The fourth proportional to 3,378,128.40, 5,057,861.40 and 2,631,632.40 is: 3,940,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,128.40 : 5,057,861.40 = 2,631,632.40 : x
  2. Step 2: Convert to fraction form
    3,378,128.40/5,057,861.40 = 2,631,632.40/x
  3. Step 3: Cross multiply
    3,378,128.40x = 5,057,861.40 × 2,631,632.40
  4. Step 4: Simplify right side
    3,378,128.40x = 13,310,431,934,949.36
  5. Step 5: Solve for x
    x = 13,310,431,934,949.36/3,378,128.40
  6. Step 6: Final answer
    x = 3,940,179.40

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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.