Home / 1,787,029.65-2,680,544.48-1,432,735.65

Finding the Fourth Proportional to 1,787,029.65, 2,680,544.48 and 1,432,735.65

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Solution

The fourth proportional to 1,787,029.65, 2,680,544.48 and 1,432,735.65 is: 2,149,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,029.65 : 2,680,544.48 = 1,432,735.65 : x
  2. Step 2: Convert to fraction form
    1,787,029.65/2,680,544.48 = 1,432,735.65/x
  3. Step 3: Cross multiply
    1,787,029.65x = 2,680,544.48 × 1,432,735.65
  4. Step 4: Simplify right side
    1,787,029.65x = 3,840,511,630,743.03
  5. Step 5: Solve for x
    x = 3,840,511,630,743.03/1,787,029.65
  6. Step 6: Final answer
    x = 2,149,103.48

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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.