Home / 3,639,494.72-5,458,059.36-1,209,993.92

Finding the Fourth Proportional to 3,639,494.72, 5,458,059.36 and 1,209,993.92

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Solution

The fourth proportional to 3,639,494.72, 5,458,059.36 and 1,209,993.92 is: 1,814,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,494.72 : 5,458,059.36 = 1,209,993.92 : x
  2. Step 2: Convert to fraction form
    3,639,494.72/5,458,059.36 = 1,209,993.92/x
  3. Step 3: Cross multiply
    3,639,494.72x = 5,458,059.36 × 1,209,993.92
  4. Step 4: Simplify right side
    3,639,494.72x = 6,604,218,640,599.09
  5. Step 5: Solve for x
    x = 6,604,218,640,599.09/3,639,494.72
  6. Step 6: Final answer
    x = 1,814,597.67

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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.