Home / 2,019,153.72-3,028,664.34-820,722.36

Finding the Fourth Proportional to 2,019,153.72, 3,028,664.34 and 820,722.36

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Solution

The fourth proportional to 2,019,153.72, 3,028,664.34 and 820,722.36 is: 1,231,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,153.72 : 3,028,664.34 = 820,722.36 : x
  2. Step 2: Convert to fraction form
    2,019,153.72/3,028,664.34 = 820,722.36/x
  3. Step 3: Cross multiply
    2,019,153.72x = 3,028,664.34 × 820,722.36
  4. Step 4: Simplify right side
    2,019,153.72x = 2,485,692,544,772.64
  5. Step 5: Solve for x
    x = 2,485,692,544,772.64/2,019,153.72
  6. Step 6: Final answer
    x = 1,231,056.62

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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.