Home / 1,857,651.10-2,783,787.32-1,280,682.14

Finding the Fourth Proportional to 1,857,651.10, 2,783,787.32 and 1,280,682.14

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Solution

The fourth proportional to 1,857,651.10, 2,783,787.32 and 1,280,682.14 is: 1,919,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,651.10 : 2,783,787.32 = 1,280,682.14 : x
  2. Step 2: Convert to fraction form
    1,857,651.10/2,783,787.32 = 1,280,682.14/x
  3. Step 3: Cross multiply
    1,857,651.10x = 2,783,787.32 × 1,280,682.14
  4. Step 4: Simplify right side
    1,857,651.10x = 3,565,146,691,565.23
  5. Step 5: Solve for x
    x = 3,565,146,691,565.23/1,857,651.10
  6. Step 6: Final answer
    x = 1,919,169.16

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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.