Home / 6,738,639.35-9,303,811.05-3,986,211

Finding the Fourth Proportional to 6,738,639.35, 9,303,811.05 and 3,986,211

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Solution

The fourth proportional to 6,738,639.35, 9,303,811.05 and 3,986,211 is: 5,503,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738,639.35 : 9,303,811.05 = 3,986,211 : x
  2. Step 2: Convert to fraction form
    6,738,639.35/9,303,811.05 = 3,986,211/x
  3. Step 3: Cross multiply
    6,738,639.35x = 9,303,811.05 × 3,986,211
  4. Step 4: Simplify right side
    6,738,639.35x = 37,086,953,949,431.55
  5. Step 5: Solve for x
    x = 37,086,953,949,431.55/6,738,639.35
  6. Step 6: Final answer
    x = 5,503,626.48

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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.