Home / 3,629,854.62-5,008,644.32-2,101,666.50

Finding the Fourth Proportional to 3,629,854.62, 5,008,644.32 and 2,101,666.50

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Solution

The fourth proportional to 3,629,854.62, 5,008,644.32 and 2,101,666.50 is: 2,899,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,854.62 : 5,008,644.32 = 2,101,666.50 : x
  2. Step 2: Convert to fraction form
    3,629,854.62/5,008,644.32 = 2,101,666.50/x
  3. Step 3: Cross multiply
    3,629,854.62x = 5,008,644.32 × 2,101,666.50
  4. Step 4: Simplify right side
    3,629,854.62x = 10,526,499,967,250.95
  5. Step 5: Solve for x
    x = 10,526,499,967,250.95/3,629,854.62
  6. Step 6: Final answer
    x = 2,899,978.39

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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.