Home / 3,008,415.56-4,512,939.64-878,505.64

Finding the Fourth Proportional to 3,008,415.56, 4,512,939.64 and 878,505.64

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Solution

The fourth proportional to 3,008,415.56, 4,512,939.64 and 878,505.64 is: 1,317,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008,415.56 : 4,512,939.64 = 878,505.64 : x
  2. Step 2: Convert to fraction form
    3,008,415.56/4,512,939.64 = 878,505.64/x
  3. Step 3: Cross multiply
    3,008,415.56x = 4,512,939.64 × 878,505.64
  4. Step 4: Simplify right side
    3,008,415.56x = 3,964,642,913,240.96
  5. Step 5: Solve for x
    x = 3,964,642,913,240.96/3,008,415.56
  6. Step 6: Final answer
    x = 1,317,850.82

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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.