Home / 4,214,709.76-6,315,678.56-2,789,660.56

Finding the Fourth Proportional to 4,214,709.76, 6,315,678.56 and 2,789,660.56

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Solution

The fourth proportional to 4,214,709.76, 6,315,678.56 and 2,789,660.56 is: 4,180,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214,709.76 : 6,315,678.56 = 2,789,660.56 : x
  2. Step 2: Convert to fraction form
    4,214,709.76/6,315,678.56 = 2,789,660.56/x
  3. Step 3: Cross multiply
    4,214,709.76x = 6,315,678.56 × 2,789,660.56
  4. Step 4: Simplify right side
    4,214,709.76x = 17,618,599,388,469.59
  5. Step 5: Solve for x
    x = 17,618,599,388,469.59/4,214,709.76
  6. Step 6: Final answer
    x = 4,180,263.98

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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.