Home / 2,790,923.76-4,186,675.26-769,167.90

Finding the Fourth Proportional to 2,790,923.76, 4,186,675.26 and 769,167.90

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Solution

The fourth proportional to 2,790,923.76, 4,186,675.26 and 769,167.90 is: 1,153,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,923.76 : 4,186,675.26 = 769,167.90 : x
  2. Step 2: Convert to fraction form
    2,790,923.76/4,186,675.26 = 769,167.90/x
  3. Step 3: Cross multiply
    2,790,923.76x = 4,186,675.26 × 769,167.90
  4. Step 4: Simplify right side
    2,790,923.76x = 3,220,256,217,716.15
  5. Step 5: Solve for x
    x = 3,220,256,217,716.15/2,790,923.76
  6. Step 6: Final answer
    x = 1,153,831.67

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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.