Home / 4,178,446.25-5,764,133.66-2,728,990.13

Finding the Fourth Proportional to 4,178,446.25, 5,764,133.66 and 2,728,990.13

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Solution

The fourth proportional to 4,178,446.25, 5,764,133.66 and 2,728,990.13 is: 3,764,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,446.25 : 5,764,133.66 = 2,728,990.13 : x
  2. Step 2: Convert to fraction form
    4,178,446.25/5,764,133.66 = 2,728,990.13/x
  3. Step 3: Cross multiply
    4,178,446.25x = 5,764,133.66 × 2,728,990.13
  4. Step 4: Simplify right side
    4,178,446.25x = 15,730,263,823,675.16
  5. Step 5: Solve for x
    x = 15,730,263,823,675.16/4,178,446.25
  6. Step 6: Final answer
    x = 3,764,620.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.