Home / 4,780,039.30-7,172,178.08-2,505,022.81

Finding the Fourth Proportional to 4,780,039.30, 7,172,178.08 and 2,505,022.81

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Solution

The fourth proportional to 4,780,039.30, 7,172,178.08 and 2,505,022.81 is: 3,758,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,039.30 : 7,172,178.08 = 2,505,022.81 : x
  2. Step 2: Convert to fraction form
    4,780,039.30/7,172,178.08 = 2,505,022.81/x
  3. Step 3: Cross multiply
    4,780,039.30x = 7,172,178.08 × 2,505,022.81
  4. Step 4: Simplify right side
    4,780,039.30x = 17,966,469,657,326.45
  5. Step 5: Solve for x
    x = 17,966,469,657,326.45/4,780,039.30
  6. Step 6: Final answer
    x = 3,758,644.76

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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.