Home / 1,661,317.80-2,491,976.70-1,395,597.30

Finding the Fourth Proportional to 1,661,317.80, 2,491,976.70 and 1,395,597.30

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Solution

The fourth proportional to 1,661,317.80, 2,491,976.70 and 1,395,597.30 is: 2,093,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,317.80 : 2,491,976.70 = 1,395,597.30 : x
  2. Step 2: Convert to fraction form
    1,661,317.80/2,491,976.70 = 1,395,597.30/x
  3. Step 3: Cross multiply
    1,661,317.80x = 2,491,976.70 × 1,395,597.30
  4. Step 4: Simplify right side
    1,661,317.80x = 3,477,795,954,182.91
  5. Step 5: Solve for x
    x = 3,477,795,954,182.91/1,661,317.80
  6. Step 6: Final answer
    x = 2,093,395.95

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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.