Home / 2,082,010.40-3,123,015.60-1,284,192.80

Finding the Fourth Proportional to 2,082,010.40, 3,123,015.60 and 1,284,192.80

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Solution

The fourth proportional to 2,082,010.40, 3,123,015.60 and 1,284,192.80 is: 1,926,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,010.40 : 3,123,015.60 = 1,284,192.80 : x
  2. Step 2: Convert to fraction form
    2,082,010.40/3,123,015.60 = 1,284,192.80/x
  3. Step 3: Cross multiply
    2,082,010.40x = 3,123,015.60 × 1,284,192.80
  4. Step 4: Simplify right side
    2,082,010.40x = 4,010,554,147,807.68
  5. Step 5: Solve for x
    x = 4,010,554,147,807.68/2,082,010.40
  6. Step 6: Final answer
    x = 1,926,289.20

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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.