Home / 3,825,371.02-5,278,610.67-2,170,991.29

Finding the Fourth Proportional to 3,825,371.02, 5,278,610.67 and 2,170,991.29

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Solution

The fourth proportional to 3,825,371.02, 5,278,610.67 and 2,170,991.29 is: 2,995,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,371.02 : 5,278,610.67 = 2,170,991.29 : x
  2. Step 2: Convert to fraction form
    3,825,371.02/5,278,610.67 = 2,170,991.29/x
  3. Step 3: Cross multiply
    3,825,371.02x = 5,278,610.67 × 2,170,991.29
  4. Step 4: Simplify right side
    3,825,371.02x = 11,459,817,787,871.06
  5. Step 5: Solve for x
    x = 11,459,817,787,871.06/3,825,371.02
  6. Step 6: Final answer
    x = 2,995,740.21

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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.