Home / 3,145,103.58-4,340,394.39-1,768,878.30

Finding the Fourth Proportional to 3,145,103.58, 4,340,394.39 and 1,768,878.30

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Solution

The fourth proportional to 3,145,103.58, 4,340,394.39 and 1,768,878.30 is: 2,441,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,103.58 : 4,340,394.39 = 1,768,878.30 : x
  2. Step 2: Convert to fraction form
    3,145,103.58/4,340,394.39 = 1,768,878.30/x
  3. Step 3: Cross multiply
    3,145,103.58x = 4,340,394.39 × 1,768,878.30
  4. Step 4: Simplify right side
    3,145,103.58x = 7,677,629,449,912.74
  5. Step 5: Solve for x
    x = 7,677,629,449,912.74/3,145,103.58
  6. Step 6: Final answer
    x = 2,441,137.23

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1.5x scale

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.