Home / 3,654,625.68-5,043,394.98-1,978,208.64

Finding the Fourth Proportional to 3,654,625.68, 5,043,394.98 and 1,978,208.64

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Solution

The fourth proportional to 3,654,625.68, 5,043,394.98 and 1,978,208.64 is: 2,729,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654,625.68 : 5,043,394.98 = 1,978,208.64 : x
  2. Step 2: Convert to fraction form
    3,654,625.68/5,043,394.98 = 1,978,208.64/x
  3. Step 3: Cross multiply
    3,654,625.68x = 5,043,394.98 × 1,978,208.64
  4. Step 4: Simplify right side
    3,654,625.68x = 9,976,887,524,368.63
  5. Step 5: Solve for x
    x = 9,976,887,524,368.63/3,654,625.68
  6. Step 6: Final answer
    x = 2,729,934.17

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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.