Home / 4,914,822.83-7,372,230.38-1,320,589.79

Finding the Fourth Proportional to 4,914,822.83, 7,372,230.38 and 1,320,589.79

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Solution

The fourth proportional to 4,914,822.83, 7,372,230.38 and 1,320,589.79 is: 1,980,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,822.83 : 7,372,230.38 = 1,320,589.79 : x
  2. Step 2: Convert to fraction form
    4,914,822.83/7,372,230.38 = 1,320,589.79/x
  3. Step 3: Cross multiply
    4,914,822.83x = 7,372,230.38 × 1,320,589.79
  4. Step 4: Simplify right side
    4,914,822.83x = 9,735,692,125,891.72
  5. Step 5: Solve for x
    x = 9,735,692,125,891.72/4,914,822.83
  6. Step 6: Final answer
    x = 1,980,883.64

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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.