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Finding the Fourth Proportional to 2,757,845.34, 4,136,768.82 and 864,734.40

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Solution

The fourth proportional to 2,757,845.34, 4,136,768.82 and 864,734.40 is: 1,297,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,845.34 : 4,136,768.82 = 864,734.40 : x
  2. Step 2: Convert to fraction form
    2,757,845.34/4,136,768.82 = 864,734.40/x
  3. Step 3: Cross multiply
    2,757,845.34x = 4,136,768.82 × 864,734.40
  4. Step 4: Simplify right side
    2,757,845.34x = 3,577,206,303,501.41
  5. Step 5: Solve for x
    x = 3,577,206,303,501.41/2,757,845.34
  6. Step 6: Final answer
    x = 1,297,101.85

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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.