Home / 5,019,965.12-6,927,605.88-2,728,126.28

Finding the Fourth Proportional to 5,019,965.12, 6,927,605.88 and 2,728,126.28

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Solution

The fourth proportional to 5,019,965.12, 6,927,605.88 and 2,728,126.28 is: 3,764,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019,965.12 : 6,927,605.88 = 2,728,126.28 : x
  2. Step 2: Convert to fraction form
    5,019,965.12/6,927,605.88 = 2,728,126.28/x
  3. Step 3: Cross multiply
    5,019,965.12x = 6,927,605.88 × 2,728,126.28
  4. Step 4: Simplify right side
    5,019,965.12x = 18,899,383,658,710.52
  5. Step 5: Solve for x
    x = 18,899,383,658,710.52/5,019,965.12
  6. Step 6: Final answer
    x = 3,764,843.62

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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.