Home / 1,879,137.92-2,819,137.44-814,358.72

Finding the Fourth Proportional to 1,879,137.92, 2,819,137.44 and 814,358.72

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Solution

The fourth proportional to 1,879,137.92, 2,819,137.44 and 814,358.72 is: 1,221,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,137.92 : 2,819,137.44 = 814,358.72 : x
  2. Step 2: Convert to fraction form
    1,879,137.92/2,819,137.44 = 814,358.72/x
  3. Step 3: Cross multiply
    1,879,137.92x = 2,819,137.44 × 814,358.72
  4. Step 4: Simplify right side
    1,879,137.92x = 2,295,789,157,142.48
  5. Step 5: Solve for x
    x = 2,295,789,157,142.48/1,879,137.92
  6. Step 6: Final answer
    x = 1,221,724.67

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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.