Home / 2,629,102.42-3,628,163.74-1,421,878.42

Finding the Fourth Proportional to 2,629,102.42, 3,628,163.74 and 1,421,878.42

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Solution

The fourth proportional to 2,629,102.42, 3,628,163.74 and 1,421,878.42 is: 1,962,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,102.42 : 3,628,163.74 = 1,421,878.42 : x
  2. Step 2: Convert to fraction form
    2,629,102.42/3,628,163.74 = 1,421,878.42/x
  3. Step 3: Cross multiply
    2,629,102.42x = 3,628,163.74 × 1,421,878.42
  4. Step 4: Simplify right side
    2,629,102.42x = 5,158,807,726,132.49
  5. Step 5: Solve for x
    x = 5,158,807,726,132.49/2,629,102.42
  6. Step 6: Final answer
    x = 1,962,193.52

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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.