Home / 3,279,113.73-4,918,720.68-1,480,743.63

Finding the Fourth Proportional to 3,279,113.73, 4,918,720.68 and 1,480,743.63

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Solution

The fourth proportional to 3,279,113.73, 4,918,720.68 and 1,480,743.63 is: 2,221,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,113.73 : 4,918,720.68 = 1,480,743.63 : x
  2. Step 2: Convert to fraction form
    3,279,113.73/4,918,720.68 = 1,480,743.63/x
  3. Step 3: Cross multiply
    3,279,113.73x = 4,918,720.68 × 1,480,743.63
  4. Step 4: Simplify right side
    3,279,113.73x = 7,283,364,314,659.27
  5. Step 5: Solve for x
    x = 7,283,364,314,659.27/3,279,113.73
  6. Step 6: Final answer
    x = 2,221,138.06

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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.