Home / 2,491,120.98-3,437,757.45-1,403,405.60

Finding the Fourth Proportional to 2,491,120.98, 3,437,757.45 and 1,403,405.60

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Solution

The fourth proportional to 2,491,120.98, 3,437,757.45 and 1,403,405.60 is: 1,936,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,120.98 : 3,437,757.45 = 1,403,405.60 : x
  2. Step 2: Convert to fraction form
    2,491,120.98/3,437,757.45 = 1,403,405.60/x
  3. Step 3: Cross multiply
    2,491,120.98x = 3,437,757.45 × 1,403,405.60
  4. Step 4: Simplify right side
    2,491,120.98x = 4,824,568,039,582.93
  5. Step 5: Solve for x
    x = 4,824,568,039,582.93/2,491,120.98
  6. Step 6: Final answer
    x = 1,936,705.64

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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.