Home / 4,920,756.80-7,381,135.20-4,787,896.55

Finding the Fourth Proportional to 4,920,756.80, 7,381,135.20 and 4,787,896.55

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Solution

The fourth proportional to 4,920,756.80, 7,381,135.20 and 4,787,896.55 is: 7,181,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,756.80 : 7,381,135.20 = 4,787,896.55 : x
  2. Step 2: Convert to fraction form
    4,920,756.80/7,381,135.20 = 4,787,896.55/x
  3. Step 3: Cross multiply
    4,920,756.80x = 7,381,135.20 × 4,787,896.55
  4. Step 4: Simplify right side
    4,920,756.80x = 35,340,111,759,163.56
  5. Step 5: Solve for x
    x = 35,340,111,759,163.56/4,920,756.80
  6. Step 6: Final answer
    x = 7,181,844.83

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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.