Home / 3,179,085.56-4,387,253.24-1,821,221

Finding the Fourth Proportional to 3,179,085.56, 4,387,253.24 and 1,821,221

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Solution

The fourth proportional to 3,179,085.56, 4,387,253.24 and 1,821,221 is: 2,513,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,085.56 : 4,387,253.24 = 1,821,221 : x
  2. Step 2: Convert to fraction form
    3,179,085.56/4,387,253.24 = 1,821,221/x
  3. Step 3: Cross multiply
    3,179,085.56x = 4,387,253.24 × 1,821,221
  4. Step 4: Simplify right side
    3,179,085.56x = 7,990,157,733,006.04
  5. Step 5: Solve for x
    x = 7,990,157,733,006.04/3,179,085.56
  6. Step 6: Final answer
    x = 2,513,350.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.