Home / 4,145,400.78-6,218,839.38-1,412,796.66

Finding the Fourth Proportional to 4,145,400.78, 6,218,839.38 and 1,412,796.66

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Solution

The fourth proportional to 4,145,400.78, 6,218,839.38 and 1,412,796.66 is: 2,119,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145,400.78 : 6,218,839.38 = 1,412,796.66 : x
  2. Step 2: Convert to fraction form
    4,145,400.78/6,218,839.38 = 1,412,796.66/x
  3. Step 3: Cross multiply
    4,145,400.78x = 6,218,839.38 × 1,412,796.66
  4. Step 4: Simplify right side
    4,145,400.78x = 8,785,955,505,140.47
  5. Step 5: Solve for x
    x = 8,785,955,505,140.47/4,145,400.78
  6. Step 6: Final answer
    x = 2,119,446.58

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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.