Home / 1,989,933.93-2,984,959.35-550,629.15

Finding the Fourth Proportional to 1,989,933.93, 2,984,959.35 and 550,629.15

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Solution

The fourth proportional to 1,989,933.93, 2,984,959.35 and 550,629.15 is: 825,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,933.93 : 2,984,959.35 = 550,629.15 : x
  2. Step 2: Convert to fraction form
    1,989,933.93/2,984,959.35 = 550,629.15/x
  3. Step 3: Cross multiply
    1,989,933.93x = 2,984,959.35 × 550,629.15
  4. Step 4: Simplify right side
    1,989,933.93x = 1,643,605,629,675.05
  5. Step 5: Solve for x
    x = 1,643,605,629,675.05/1,989,933.93
  6. Step 6: Final answer
    x = 825,959.90

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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.