Home / 1,993,391.80-2,990,525.10-982,997.80

Finding the Fourth Proportional to 1,993,391.80, 2,990,525.10 and 982,997.80

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Solution

The fourth proportional to 1,993,391.80, 2,990,525.10 and 982,997.80 is: 1,474,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,391.80 : 2,990,525.10 = 982,997.80 : x
  2. Step 2: Convert to fraction form
    1,993,391.80/2,990,525.10 = 982,997.80/x
  3. Step 3: Cross multiply
    1,993,391.80x = 2,990,525.10 × 982,997.80
  4. Step 4: Simplify right side
    1,993,391.80x = 2,939,679,594,144.78
  5. Step 5: Solve for x
    x = 2,939,679,594,144.78/1,993,391.80
  6. Step 6: Final answer
    x = 1,474,712.39

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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.