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Finding the Fourth Proportional to 3,118,385, 4,677,577.68 and 754,481

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Solution

The fourth proportional to 3,118,385, 4,677,577.68 and 754,481 is: 1,131,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,385 : 4,677,577.68 = 754,481 : x
  2. Step 2: Convert to fraction form
    3,118,385/4,677,577.68 = 754,481/x
  3. Step 3: Cross multiply
    3,118,385x = 4,677,577.68 × 754,481
  4. Step 4: Simplify right side
    3,118,385x = 3,529,143,485,584.08
  5. Step 5: Solve for x
    x = 3,529,143,485,584.08/3,118,385
  6. Step 6: Final answer
    x = 1,131,721.54

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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.