Home / 2,791,811.46-4,188,008.29-770,055.72

Finding the Fourth Proportional to 2,791,811.46, 4,188,008.29 and 770,055.72

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Solution

The fourth proportional to 2,791,811.46, 4,188,008.29 and 770,055.72 is: 1,155,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,811.46 : 4,188,008.29 = 770,055.72 : x
  2. Step 2: Convert to fraction form
    2,791,811.46/4,188,008.29 = 770,055.72/x
  3. Step 3: Cross multiply
    2,791,811.46x = 4,188,008.29 × 770,055.72
  4. Step 4: Simplify right side
    2,791,811.46x = 3,224,999,739,121.92
  5. Step 5: Solve for x
    x = 3,224,999,739,121.92/2,791,811.46
  6. Step 6: Final answer
    x = 1,155,163.87

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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.