Home / 3,947,809.80-5,921,714.70-3,387,937.80

Finding the Fourth Proportional to 3,947,809.80, 5,921,714.70 and 3,387,937.80

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Solution

The fourth proportional to 3,947,809.80, 5,921,714.70 and 3,387,937.80 is: 5,081,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,809.80 : 5,921,714.70 = 3,387,937.80 : x
  2. Step 2: Convert to fraction form
    3,947,809.80/5,921,714.70 = 3,387,937.80/x
  3. Step 3: Cross multiply
    3,947,809.80x = 5,921,714.70 × 3,387,937.80
  4. Step 4: Simplify right side
    3,947,809.80x = 20,062,401,072,945.66
  5. Step 5: Solve for x
    x = 20,062,401,072,945.66/3,947,809.80
  6. Step 6: Final answer
    x = 5,081,906.70

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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.