Home / 1,989,934.68-2,984,960.48-550,629.90

Finding the Fourth Proportional to 1,989,934.68, 2,984,960.48 and 550,629.90

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Solution

The fourth proportional to 1,989,934.68, 2,984,960.48 and 550,629.90 is: 825,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,934.68 : 2,984,960.48 = 550,629.90 : x
  2. Step 2: Convert to fraction form
    1,989,934.68/2,984,960.48 = 550,629.90/x
  3. Step 3: Cross multiply
    1,989,934.68x = 2,984,960.48 × 550,629.90
  4. Step 4: Simplify right side
    1,989,934.68x = 1,643,608,490,606.35
  5. Step 5: Solve for x
    x = 1,643,608,490,606.35/1,989,934.68
  6. Step 6: Final answer
    x = 825,961.03

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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.