Home / 2,162,942.88-2,984,880.60-1,196,138.64

Finding the Fourth Proportional to 2,162,942.88, 2,984,880.60 and 1,196,138.64

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Solution

The fourth proportional to 2,162,942.88, 2,984,880.60 and 1,196,138.64 is: 1,650,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,942.88 : 2,984,880.60 = 1,196,138.64 : x
  2. Step 2: Convert to fraction form
    2,162,942.88/2,984,880.60 = 1,196,138.64/x
  3. Step 3: Cross multiply
    2,162,942.88x = 2,984,880.60 × 1,196,138.64
  4. Step 4: Simplify right side
    2,162,942.88x = 3,570,331,021,446.38
  5. Step 5: Solve for x
    x = 3,570,331,021,446.38/2,162,942.88
  6. Step 6: Final answer
    x = 1,650,682.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.