Home / 4,738,481.28-7,107,716.40-1,543,602.32

Finding the Fourth Proportional to 4,738,481.28, 7,107,716.40 and 1,543,602.32

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Solution

The fourth proportional to 4,738,481.28, 7,107,716.40 and 1,543,602.32 is: 2,315,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,481.28 : 7,107,716.40 = 1,543,602.32 : x
  2. Step 2: Convert to fraction form
    4,738,481.28/7,107,716.40 = 1,543,602.32/x
  3. Step 3: Cross multiply
    4,738,481.28x = 7,107,716.40 × 1,543,602.32
  4. Step 4: Simplify right side
    4,738,481.28x = 10,971,487,524,942.05
  5. Step 5: Solve for x
    x = 10,971,487,524,942.05/4,738,481.28
  6. Step 6: Final answer
    x = 2,315,401.68

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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.