Home / 2,689,880.78-4,034,033.84-2,215,389.26

Finding the Fourth Proportional to 2,689,880.78, 4,034,033.84 and 2,215,389.26

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Solution

The fourth proportional to 2,689,880.78, 4,034,033.84 and 2,215,389.26 is: 3,322,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,880.78 : 4,034,033.84 = 2,215,389.26 : x
  2. Step 2: Convert to fraction form
    2,689,880.78/4,034,033.84 = 2,215,389.26/x
  3. Step 3: Cross multiply
    2,689,880.78x = 4,034,033.84 × 2,215,389.26
  4. Step 4: Simplify right side
    2,689,880.78x = 8,936,955,243,612.56
  5. Step 5: Solve for x
    x = 8,936,955,243,612.56/2,689,880.78
  6. Step 6: Final answer
    x = 3,322,435.44

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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.