Home / 3,619,409.40-5,431,082.40-1,489,708.80

Finding the Fourth Proportional to 3,619,409.40, 5,431,082.40 and 1,489,708.80

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Solution

The fourth proportional to 3,619,409.40, 5,431,082.40 and 1,489,708.80 is: 2,235,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,409.40 : 5,431,082.40 = 1,489,708.80 : x
  2. Step 2: Convert to fraction form
    3,619,409.40/5,431,082.40 = 1,489,708.80/x
  3. Step 3: Cross multiply
    3,619,409.40x = 5,431,082.40 × 1,489,708.80
  4. Step 4: Simplify right side
    3,619,409.40x = 8,090,731,244,805.12
  5. Step 5: Solve for x
    x = 8,090,731,244,805.12/3,619,409.40
  6. Step 6: Final answer
    x = 2,235,373.33

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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.