Home / 5,789,867.81-7,990,975.85-3,212,378.96

Finding the Fourth Proportional to 5,789,867.81, 7,990,975.85 and 3,212,378.96

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Solution

The fourth proportional to 5,789,867.81, 7,990,975.85 and 3,212,378.96 is: 4,433,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789,867.81 : 7,990,975.85 = 3,212,378.96 : x
  2. Step 2: Convert to fraction form
    5,789,867.81/7,990,975.85 = 3,212,378.96/x
  3. Step 3: Cross multiply
    5,789,867.81x = 7,990,975.85 × 3,212,378.96
  4. Step 4: Simplify right side
    5,789,867.81x = 25,670,042,634,391.34
  5. Step 5: Solve for x
    x = 25,670,042,634,391.34/5,789,867.81
  6. Step 6: Final answer
    x = 4,433,614.63

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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.