Home / 2,805,753.06-3,871,982.30-1,643,921.26

Finding the Fourth Proportional to 2,805,753.06, 3,871,982.30 and 1,643,921.26

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Solution

The fourth proportional to 2,805,753.06, 3,871,982.30 and 1,643,921.26 is: 2,268,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,753.06 : 3,871,982.30 = 1,643,921.26 : x
  2. Step 2: Convert to fraction form
    2,805,753.06/3,871,982.30 = 1,643,921.26/x
  3. Step 3: Cross multiply
    2,805,753.06x = 3,871,982.30 × 1,643,921.26
  4. Step 4: Simplify right side
    2,805,753.06x = 6,365,234,021,313.70
  5. Step 5: Solve for x
    x = 6,365,234,021,313.70/2,805,753.06
  6. Step 6: Final answer
    x = 2,268,636.58

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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.