Home / 4,179,780.52-6,269,748.56-1,188,042.28

Finding the Fourth Proportional to 4,179,780.52, 6,269,748.56 and 1,188,042.28

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Solution

The fourth proportional to 4,179,780.52, 6,269,748.56 and 1,188,042.28 is: 1,782,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179,780.52 : 6,269,748.56 = 1,188,042.28 : x
  2. Step 2: Convert to fraction form
    4,179,780.52/6,269,748.56 = 1,188,042.28/x
  3. Step 3: Cross multiply
    4,179,780.52x = 6,269,748.56 × 1,188,042.28
  4. Step 4: Simplify right side
    4,179,780.52x = 7,448,726,374,249.12
  5. Step 5: Solve for x
    x = 7,448,726,374,249.12/4,179,780.52
  6. Step 6: Final answer
    x = 1,782,085.53

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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.