Home / 1,993,046.40-2,988,986.40-713,505.60

Finding the Fourth Proportional to 1,993,046.40, 2,988,986.40 and 713,505.60

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Solution

The fourth proportional to 1,993,046.40, 2,988,986.40 and 713,505.60 is: 1,070,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,046.40 : 2,988,986.40 = 713,505.60 : x
  2. Step 2: Convert to fraction form
    1,993,046.40/2,988,986.40 = 713,505.60/x
  3. Step 3: Cross multiply
    1,993,046.40x = 2,988,986.40 × 713,505.60
  4. Step 4: Simplify right side
    1,993,046.40x = 2,132,658,534,723.84
  5. Step 5: Solve for x
    x = 2,132,658,534,723.84/1,993,046.40
  6. Step 6: Final answer
    x = 1,070,049.62

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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.