Home / 3,947,163.89-5,920,742.37-1,485,639.62

Finding the Fourth Proportional to 3,947,163.89, 5,920,742.37 and 1,485,639.62

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Solution

The fourth proportional to 3,947,163.89, 5,920,742.37 and 1,485,639.62 is: 2,228,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,163.89 : 5,920,742.37 = 1,485,639.62 : x
  2. Step 2: Convert to fraction form
    3,947,163.89/5,920,742.37 = 1,485,639.62/x
  3. Step 3: Cross multiply
    3,947,163.89x = 5,920,742.37 × 1,485,639.62
  4. Step 4: Simplify right side
    3,947,163.89x = 8,796,089,415,080.99
  5. Step 5: Solve for x
    x = 8,796,089,415,080.99/3,947,163.89
  6. Step 6: Final answer
    x = 2,228,458.12

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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.