Home / 1,989,910.75-2,984,924.37-550,605.80

Finding the Fourth Proportional to 1,989,910.75, 2,984,924.37 and 550,605.80

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Solution

The fourth proportional to 1,989,910.75, 2,984,924.37 and 550,605.80 is: 825,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,910.75 : 2,984,924.37 = 550,605.80 : x
  2. Step 2: Convert to fraction form
    1,989,910.75/2,984,924.37 = 550,605.80/x
  3. Step 3: Cross multiply
    1,989,910.75x = 2,984,924.37 × 550,605.80
  4. Step 4: Simplify right side
    1,989,910.75x = 1,643,516,677,113.27
  5. Step 5: Solve for x
    x = 1,643,516,677,113.27/1,989,910.75
  6. Step 6: Final answer
    x = 825,924.82

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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.