Home / 2,617,006.48-3,925,504.85-820,027.60

Finding the Fourth Proportional to 2,617,006.48, 3,925,504.85 and 820,027.60

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Solution

The fourth proportional to 2,617,006.48, 3,925,504.85 and 820,027.60 is: 1,230,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,006.48 : 3,925,504.85 = 820,027.60 : x
  2. Step 2: Convert to fraction form
    2,617,006.48/3,925,504.85 = 820,027.60/x
  3. Step 3: Cross multiply
    2,617,006.48x = 3,925,504.85 × 820,027.60
  4. Step 4: Simplify right side
    2,617,006.48x = 3,219,022,307,019.96
  5. Step 5: Solve for x
    x = 3,219,022,307,019.96/2,617,006.48
  6. Step 6: Final answer
    x = 1,230,039.87

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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.