Home / 3,840,485.78-5,763,563.30-1,818,725.78

Finding the Fourth Proportional to 3,840,485.78, 5,763,563.30 and 1,818,725.78

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Solution

The fourth proportional to 3,840,485.78, 5,763,563.30 and 1,818,725.78 is: 2,729,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,485.78 : 5,763,563.30 = 1,818,725.78 : x
  2. Step 2: Convert to fraction form
    3,840,485.78/5,763,563.30 = 1,818,725.78/x
  3. Step 3: Cross multiply
    3,840,485.78x = 5,763,563.30 × 1,818,725.78
  4. Step 4: Simplify right side
    3,840,485.78x = 10,482,341,177,327.60
  5. Step 5: Solve for x
    x = 10,482,341,177,327.60/3,840,485.78
  6. Step 6: Final answer
    x = 2,729,431.06

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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.