Home / 2,550,553.60-3,821,631-1,782,129.28

Finding the Fourth Proportional to 2,550,553.60, 3,821,631 and 1,782,129.28

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Solution

The fourth proportional to 2,550,553.60, 3,821,631 and 1,782,129.28 is: 2,670,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,553.60 : 3,821,631 = 1,782,129.28 : x
  2. Step 2: Convert to fraction form
    2,550,553.60/3,821,631 = 1,782,129.28/x
  3. Step 3: Cross multiply
    2,550,553.60x = 3,821,631 × 1,782,129.28
  4. Step 4: Simplify right side
    2,550,553.60x = 6,810,640,502,455.68
  5. Step 5: Solve for x
    x = 6,810,640,502,455.68/2,550,553.60
  6. Step 6: Final answer
    x = 2,670,259.70

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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.