Home / 1,993,453.47-2,990,222.60-714,144.20

Finding the Fourth Proportional to 1,993,453.47, 2,990,222.60 and 714,144.20

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Solution

The fourth proportional to 1,993,453.47, 2,990,222.60 and 714,144.20 is: 1,071,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,453.47 : 2,990,222.60 = 714,144.20 : x
  2. Step 2: Convert to fraction form
    1,993,453.47/2,990,222.60 = 714,144.20/x
  3. Step 3: Cross multiply
    1,993,453.47x = 2,990,222.60 × 714,144.20
  4. Step 4: Simplify right side
    1,993,453.47x = 2,135,450,107,977.09
  5. Step 5: Solve for x
    x = 2,135,450,107,977.09/1,993,453.47
  6. Step 6: Final answer
    x = 1,071,231.48

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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.