Home / 6,239,731.20-9,361,346.40-2,647,219.20

Finding the Fourth Proportional to 6,239,731.20, 9,361,346.40 and 2,647,219.20

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Solution

The fourth proportional to 6,239,731.20, 9,361,346.40 and 2,647,219.20 is: 3,971,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,731.20 : 9,361,346.40 = 2,647,219.20 : x
  2. Step 2: Convert to fraction form
    6,239,731.20/9,361,346.40 = 2,647,219.20/x
  3. Step 3: Cross multiply
    6,239,731.20x = 9,361,346.40 × 2,647,219.20
  4. Step 4: Simplify right side
    6,239,731.20x = 24,781,535,927,930.88
  5. Step 5: Solve for x
    x = 24,781,535,927,930.88/6,239,731.20
  6. Step 6: Final answer
    x = 3,971,571.07

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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.