Home / 3,630,620.80-5,437,636.80-2,137,628.80

Finding the Fourth Proportional to 3,630,620.80, 5,437,636.80 and 2,137,628.80

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Solution

The fourth proportional to 3,630,620.80, 5,437,636.80 and 2,137,628.80 is: 3,201,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,620.80 : 5,437,636.80 = 2,137,628.80 : x
  2. Step 2: Convert to fraction form
    3,630,620.80/5,437,636.80 = 2,137,628.80/x
  3. Step 3: Cross multiply
    3,630,620.80x = 5,437,636.80 × 2,137,628.80
  4. Step 4: Simplify right side
    3,630,620.80x = 11,623,649,027,619.84
  5. Step 5: Solve for x
    x = 11,623,649,027,619.84/3,630,620.80
  6. Step 6: Final answer
    x = 3,201,559.64

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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.