Home / 3,219,150.40-4,821,727.20-1,954,772.80

Finding the Fourth Proportional to 3,219,150.40, 4,821,727.20 and 1,954,772.80

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Solution

The fourth proportional to 3,219,150.40, 4,821,727.20 and 1,954,772.80 is: 2,927,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,150.40 : 4,821,727.20 = 1,954,772.80 : x
  2. Step 2: Convert to fraction form
    3,219,150.40/4,821,727.20 = 1,954,772.80/x
  3. Step 3: Cross multiply
    3,219,150.40x = 4,821,727.20 × 1,954,772.80
  4. Step 4: Simplify right side
    3,219,150.40x = 9,425,381,179,580.16
  5. Step 5: Solve for x
    x = 9,425,381,179,580.16/3,219,150.40
  6. Step 6: Final answer
    x = 2,927,909.54

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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.