Home / 2,786,863.72-4,178,714.46-2,549,099.56

Finding the Fourth Proportional to 2,786,863.72, 4,178,714.46 and 2,549,099.56

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Solution

The fourth proportional to 2,786,863.72, 4,178,714.46 and 2,549,099.56 is: 3,822,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,863.72 : 4,178,714.46 = 2,549,099.56 : x
  2. Step 2: Convert to fraction form
    2,786,863.72/4,178,714.46 = 2,549,099.56/x
  3. Step 3: Cross multiply
    2,786,863.72x = 4,178,714.46 × 2,549,099.56
  4. Step 4: Simplify right side
    2,786,863.72x = 10,651,959,191,351.64
  5. Step 5: Solve for x
    x = 10,651,959,191,351.64/2,786,863.72
  6. Step 6: Final answer
    x = 3,822,203.11

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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.