Home / 4,314,864.20-6,474,629.10-1,919,078.60

Finding the Fourth Proportional to 4,314,864.20, 6,474,629.10 and 1,919,078.60

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Solution

The fourth proportional to 4,314,864.20, 6,474,629.10 and 1,919,078.60 is: 2,879,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314,864.20 : 6,474,629.10 = 1,919,078.60 : x
  2. Step 2: Convert to fraction form
    4,314,864.20/6,474,629.10 = 1,919,078.60/x
  3. Step 3: Cross multiply
    4,314,864.20x = 6,474,629.10 × 1,919,078.60
  4. Step 4: Simplify right side
    4,314,864.20x = 12,425,322,148,747.26
  5. Step 5: Solve for x
    x = 12,425,322,148,747.26/4,314,864.20
  6. Step 6: Final answer
    x = 2,879,655.44

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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.