Home / 4,812,616.40-7,219,961.40-1,447,163.60

Finding the Fourth Proportional to 4,812,616.40, 7,219,961.40 and 1,447,163.60

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Solution

The fourth proportional to 4,812,616.40, 7,219,961.40 and 1,447,163.60 is: 2,171,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,616.40 : 7,219,961.40 = 1,447,163.60 : x
  2. Step 2: Convert to fraction form
    4,812,616.40/7,219,961.40 = 1,447,163.60/x
  3. Step 3: Cross multiply
    4,812,616.40x = 7,219,961.40 × 1,447,163.60
  4. Step 4: Simplify right side
    4,812,616.40x = 10,448,465,331,485.04
  5. Step 5: Solve for x
    x = 10,448,465,331,485.04/4,812,616.40
  6. Step 6: Final answer
    x = 2,171,057.17

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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.