Home / 2,630,305.96-3,942,286.14-1,280,445.48

Finding the Fourth Proportional to 2,630,305.96, 3,942,286.14 and 1,280,445.48

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Solution

The fourth proportional to 2,630,305.96, 3,942,286.14 and 1,280,445.48 is: 1,919,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,305.96 : 3,942,286.14 = 1,280,445.48 : x
  2. Step 2: Convert to fraction form
    2,630,305.96/3,942,286.14 = 1,280,445.48/x
  3. Step 3: Cross multiply
    2,630,305.96x = 3,942,286.14 × 1,280,445.48
  4. Step 4: Simplify right side
    2,630,305.96x = 5,047,882,468,829.65
  5. Step 5: Solve for x
    x = 5,047,882,468,829.65/2,630,305.96
  6. Step 6: Final answer
    x = 1,919,123.69

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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.