Home / 3,208,711.44-4,427,894.90-1,918,783.20

Finding the Fourth Proportional to 3,208,711.44, 4,427,894.90 and 1,918,783.20

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Solution

The fourth proportional to 3,208,711.44, 4,427,894.90 and 1,918,783.20 is: 2,647,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,711.44 : 4,427,894.90 = 1,918,783.20 : x
  2. Step 2: Convert to fraction form
    3,208,711.44/4,427,894.90 = 1,918,783.20/x
  3. Step 3: Cross multiply
    3,208,711.44x = 4,427,894.90 × 1,918,783.20
  4. Step 4: Simplify right side
    3,208,711.44x = 8,496,170,345,485.68
  5. Step 5: Solve for x
    x = 8,496,170,345,485.68/3,208,711.44
  6. Step 6: Final answer
    x = 2,647,844.94

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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.