Home / 2,109,033.21-3,163,554.45-762,147.05

Finding the Fourth Proportional to 2,109,033.21, 3,163,554.45 and 762,147.05

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Solution

The fourth proportional to 2,109,033.21, 3,163,554.45 and 762,147.05 is: 1,143,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,033.21 : 3,163,554.45 = 762,147.05 : x
  2. Step 2: Convert to fraction form
    2,109,033.21/3,163,554.45 = 762,147.05/x
  3. Step 3: Cross multiply
    2,109,033.21x = 3,163,554.45 × 762,147.05
  4. Step 4: Simplify right side
    2,109,033.21x = 2,411,093,699,490.76
  5. Step 5: Solve for x
    x = 2,411,093,699,490.76/2,109,033.21
  6. Step 6: Final answer
    x = 1,143,222.25

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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.