Home / 5,608,121.42-7,738,983.78-3,161,240.30

Finding the Fourth Proportional to 5,608,121.42, 7,738,983.78 and 3,161,240.30

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Solution

The fourth proportional to 5,608,121.42, 7,738,983.78 and 3,161,240.30 is: 4,362,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608,121.42 : 7,738,983.78 = 3,161,240.30 : x
  2. Step 2: Convert to fraction form
    5,608,121.42/7,738,983.78 = 3,161,240.30/x
  3. Step 3: Cross multiply
    5,608,121.42x = 7,738,983.78 × 3,161,240.30
  4. Step 4: Simplify right side
    5,608,121.42x = 24,464,787,406,382.33
  5. Step 5: Solve for x
    x = 24,464,787,406,382.33/5,608,121.42
  6. Step 6: Final answer
    x = 4,362,385.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.