Home / 3,172,840.82-4,757,472.72-1,042,352.90

Finding the Fourth Proportional to 3,172,840.82, 4,757,472.72 and 1,042,352.90

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Solution

The fourth proportional to 3,172,840.82, 4,757,472.72 and 1,042,352.90 is: 1,562,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,840.82 : 4,757,472.72 = 1,042,352.90 : x
  2. Step 2: Convert to fraction form
    3,172,840.82/4,757,472.72 = 1,042,352.90/x
  3. Step 3: Cross multiply
    3,172,840.82x = 4,757,472.72 × 1,042,352.90
  4. Step 4: Simplify right side
    3,172,840.82x = 4,958,965,486,362.89
  5. Step 5: Solve for x
    x = 4,958,965,486,362.89/3,172,840.82
  6. Step 6: Final answer
    x = 1,562,941.78

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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.