Home / 1,809,611.84-2,498,233.86-1,395,243.60

Finding the Fourth Proportional to 1,809,611.84, 2,498,233.86 and 1,395,243.60

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Solution

The fourth proportional to 1,809,611.84, 2,498,233.86 and 1,395,243.60 is: 1,926,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,611.84 : 2,498,233.86 = 1,395,243.60 : x
  2. Step 2: Convert to fraction form
    1,809,611.84/2,498,233.86 = 1,395,243.60/x
  3. Step 3: Cross multiply
    1,809,611.84x = 2,498,233.86 × 1,395,243.60
  4. Step 4: Simplify right side
    1,809,611.84x = 3,485,644,804,468.30
  5. Step 5: Solve for x
    x = 3,485,644,804,468.30/1,809,611.84
  6. Step 6: Final answer
    x = 1,926,183.69

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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.