Home / 3,825,395.10-5,278,643.80-2,171,015.36

Finding the Fourth Proportional to 3,825,395.10, 5,278,643.80 and 2,171,015.36

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Solution

The fourth proportional to 3,825,395.10, 5,278,643.80 and 2,171,015.36 is: 2,995,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,395.10 : 5,278,643.80 = 2,171,015.36 : x
  2. Step 2: Convert to fraction form
    3,825,395.10/5,278,643.80 = 2,171,015.36/x
  3. Step 3: Cross multiply
    3,825,395.10x = 5,278,643.80 × 2,171,015.36
  4. Step 4: Simplify right side
    3,825,395.10x = 11,460,016,769,768.77
  5. Step 5: Solve for x
    x = 11,460,016,769,768.77/3,825,395.10
  6. Step 6: Final answer
    x = 2,995,773.37

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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.