Home / 3,840,554.32-5,299,871.88-2,121,839.44

Finding the Fourth Proportional to 3,840,554.32, 5,299,871.88 and 2,121,839.44

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Solution

The fourth proportional to 3,840,554.32, 5,299,871.88 and 2,121,839.44 is: 2,928,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,554.32 : 5,299,871.88 = 2,121,839.44 : x
  2. Step 2: Convert to fraction form
    3,840,554.32/5,299,871.88 = 2,121,839.44/x
  3. Step 3: Cross multiply
    3,840,554.32x = 5,299,871.88 × 2,121,839.44
  4. Step 4: Simplify right side
    3,840,554.32x = 11,245,477,181,930.95
  5. Step 5: Solve for x
    x = 11,245,477,181,930.95/3,840,554.32
  6. Step 6: Final answer
    x = 2,928,087.00

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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.