Home / 1,815,433.40-2,723,150.10-820,105.40

Finding the Fourth Proportional to 1,815,433.40, 2,723,150.10 and 820,105.40

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Solution

The fourth proportional to 1,815,433.40, 2,723,150.10 and 820,105.40 is: 1,230,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,433.40 : 2,723,150.10 = 820,105.40 : x
  2. Step 2: Convert to fraction form
    1,815,433.40/2,723,150.10 = 820,105.40/x
  3. Step 3: Cross multiply
    1,815,433.40x = 2,723,150.10 × 820,105.40
  4. Step 4: Simplify right side
    1,815,433.40x = 2,233,270,102,020.54
  5. Step 5: Solve for x
    x = 2,233,270,102,020.54/1,815,433.40
  6. Step 6: Final answer
    x = 1,230,158.10

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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.