Home / 3,212,857.20-4,433,724.90-1,762,515.48

Finding the Fourth Proportional to 3,212,857.20, 4,433,724.90 and 1,762,515.48

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Solution

The fourth proportional to 3,212,857.20, 4,433,724.90 and 1,762,515.48 is: 2,432,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,857.20 : 4,433,724.90 = 1,762,515.48 : x
  2. Step 2: Convert to fraction form
    3,212,857.20/4,433,724.90 = 1,762,515.48/x
  3. Step 3: Cross multiply
    3,212,857.20x = 4,433,724.90 × 1,762,515.48
  4. Step 4: Simplify right side
    3,212,857.20x = 7,814,508,770,311.45
  5. Step 5: Solve for x
    x = 7,814,508,770,311.45/3,212,857.20
  6. Step 6: Final answer
    x = 2,432,261.47

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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.