Home / 3,619,542.02-4,994,965.01-1,987,993.54

Finding the Fourth Proportional to 3,619,542.02, 4,994,965.01 and 1,987,993.54

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Solution

The fourth proportional to 3,619,542.02, 4,994,965.01 and 1,987,993.54 is: 2,743,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,542.02 : 4,994,965.01 = 1,987,993.54 : x
  2. Step 2: Convert to fraction form
    3,619,542.02/4,994,965.01 = 1,987,993.54/x
  3. Step 3: Cross multiply
    3,619,542.02x = 4,994,965.01 × 1,987,993.54
  4. Step 4: Simplify right side
    3,619,542.02x = 9,929,958,164,888.61
  5. Step 5: Solve for x
    x = 9,929,958,164,888.61/3,619,542.02
  6. Step 6: Final answer
    x = 2,743,429.45

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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.