Home / 1,992,912.80-2,989,806.60-982,518.80

Finding the Fourth Proportional to 1,992,912.80, 2,989,806.60 and 982,518.80

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Solution

The fourth proportional to 1,992,912.80, 2,989,806.60 and 982,518.80 is: 1,473,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,912.80 : 2,989,806.60 = 982,518.80 : x
  2. Step 2: Convert to fraction form
    1,992,912.80/2,989,806.60 = 982,518.80/x
  3. Step 3: Cross multiply
    1,992,912.80x = 2,989,806.60 × 982,518.80
  4. Step 4: Simplify right side
    1,992,912.80x = 2,937,541,192,864.08
  5. Step 5: Solve for x
    x = 2,937,541,192,864.08/1,992,912.80
  6. Step 6: Final answer
    x = 1,473,993.84

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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.