Home / 2,782,942.43-4,171,500.12-1,164,638.45

Finding the Fourth Proportional to 2,782,942.43, 4,171,500.12 and 1,164,638.45

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Solution

The fourth proportional to 2,782,942.43, 4,171,500.12 and 1,164,638.45 is: 1,745,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,942.43 : 4,171,500.12 = 1,164,638.45 : x
  2. Step 2: Convert to fraction form
    2,782,942.43/4,171,500.12 = 1,164,638.45/x
  3. Step 3: Cross multiply
    2,782,942.43x = 4,171,500.12 × 1,164,638.45
  4. Step 4: Simplify right side
    2,782,942.43x = 4,858,289,448,727.76
  5. Step 5: Solve for x
    x = 4,858,289,448,727.76/2,782,942.43
  6. Step 6: Final answer
    x = 1,745,738.40

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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.