Home / 5,412,351.80-8,119,465.66-1,818,469.28

Finding the Fourth Proportional to 5,412,351.80, 8,119,465.66 and 1,818,469.28

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Solution

The fourth proportional to 5,412,351.80, 8,119,465.66 and 1,818,469.28 is: 2,728,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,351.80 : 8,119,465.66 = 1,818,469.28 : x
  2. Step 2: Convert to fraction form
    5,412,351.80/8,119,465.66 = 1,818,469.28/x
  3. Step 3: Cross multiply
    5,412,351.80x = 8,119,465.66 × 1,818,469.28
  4. Step 4: Simplify right side
    5,412,351.80x = 14,764,998,872,724.93
  5. Step 5: Solve for x
    x = 14,764,998,872,724.93/5,412,351.80
  6. Step 6: Final answer
    x = 2,728,019.06

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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.