Home / 3,622,818.80-5,434,884.30-1,821,168.20

Finding the Fourth Proportional to 3,622,818.80, 5,434,884.30 and 1,821,168.20

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Solution

The fourth proportional to 3,622,818.80, 5,434,884.30 and 1,821,168.20 is: 2,732,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,818.80 : 5,434,884.30 = 1,821,168.20 : x
  2. Step 2: Convert to fraction form
    3,622,818.80/5,434,884.30 = 1,821,168.20/x
  3. Step 3: Cross multiply
    3,622,818.80x = 5,434,884.30 × 1,821,168.20
  4. Step 4: Simplify right side
    3,622,818.80x = 9,897,838,457,839.26
  5. Step 5: Solve for x
    x = 9,897,838,457,839.26/3,622,818.80
  6. Step 6: Final answer
    x = 2,732,082.12

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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.