Home / 3,638,468.20-5,458,358.40-1,508,767.60

Finding the Fourth Proportional to 3,638,468.20, 5,458,358.40 and 1,508,767.60

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Solution

The fourth proportional to 3,638,468.20, 5,458,358.40 and 1,508,767.60 is: 2,263,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,468.20 : 5,458,358.40 = 1,508,767.60 : x
  2. Step 2: Convert to fraction form
    3,638,468.20/5,458,358.40 = 1,508,767.60/x
  3. Step 3: Cross multiply
    3,638,468.20x = 5,458,358.40 × 1,508,767.60
  4. Step 4: Simplify right side
    3,638,468.20x = 8,235,394,303,107.84
  5. Step 5: Solve for x
    x = 8,235,394,303,107.84/3,638,468.20
  6. Step 6: Final answer
    x = 2,263,423.47

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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.