Home / 1,871,422.40-2,802,986.40-1,449,329.60

Finding the Fourth Proportional to 1,871,422.40, 2,802,986.40 and 1,449,329.60

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Solution

The fourth proportional to 1,871,422.40, 2,802,986.40 and 1,449,329.60 is: 2,170,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,422.40 : 2,802,986.40 = 1,449,329.60 : x
  2. Step 2: Convert to fraction form
    1,871,422.40/2,802,986.40 = 1,449,329.60/x
  3. Step 3: Cross multiply
    1,871,422.40x = 2,802,986.40 × 1,449,329.60
  4. Step 4: Simplify right side
    1,871,422.40x = 4,062,451,157,917.44
  5. Step 5: Solve for x
    x = 4,062,451,157,917.44/1,871,422.40
  6. Step 6: Final answer
    x = 2,170,782.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.