Home / 3,240,636.60-4,858,622.10-1,821,127.80

Finding the Fourth Proportional to 3,240,636.60, 4,858,622.10 and 1,821,127.80

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Solution

The fourth proportional to 3,240,636.60, 4,858,622.10 and 1,821,127.80 is: 2,730,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,636.60 : 4,858,622.10 = 1,821,127.80 : x
  2. Step 2: Convert to fraction form
    3,240,636.60/4,858,622.10 = 1,821,127.80/x
  3. Step 3: Cross multiply
    3,240,636.60x = 4,858,622.10 × 1,821,127.80
  4. Step 4: Simplify right side
    3,240,636.60x = 8,848,171,776,004.38
  5. Step 5: Solve for x
    x = 8,848,171,776,004.38/3,240,636.60
  6. Step 6: Final answer
    x = 2,730,380.75

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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.