Home / 2,668,831.70-4,003,247.55-1,321,202.30

Finding the Fourth Proportional to 2,668,831.70, 4,003,247.55 and 1,321,202.30

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Solution

The fourth proportional to 2,668,831.70, 4,003,247.55 and 1,321,202.30 is: 1,981,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,831.70 : 4,003,247.55 = 1,321,202.30 : x
  2. Step 2: Convert to fraction form
    2,668,831.70/4,003,247.55 = 1,321,202.30/x
  3. Step 3: Cross multiply
    2,668,831.70x = 4,003,247.55 × 1,321,202.30
  4. Step 4: Simplify right side
    2,668,831.70x = 5,289,099,870,529.37
  5. Step 5: Solve for x
    x = 5,289,099,870,529.37/2,668,831.70
  6. Step 6: Final answer
    x = 1,981,803.45

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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.