Finding the Fourth Proportional to 7,191,397.44, 10,787,148 and 1,800,141.12
Calculator
Solution
The fourth proportional to 7,191,397.44, 10,787,148 and 1,800,141.12 is: 2,700,224.66
Step by Step Solution
- Step 1: Write the proportion equation
7,191,397.44 : 10,787,148 = 1,800,141.12 : x - Step 2: Convert to fraction form
7,191,397.44/10,787,148 = 1,800,141.12/x - Step 3: Cross multiply
7,191,397.44x = 10,787,148 × 1,800,141.12 - Step 4: Simplify right side
7,191,397.44x = 19,418,388,682,325.76 - Step 5: Solve for x
x = 19,418,388,682,325.76/7,191,397.44 - Step 6: Final answer
x = 2,700,224.66
Related Problems
Find fourth proportional to 3,595,698.72, 5,393,574 and 900,070.56
Half scale
Find fourth proportional to 14,382,794.88, 21,574,296 and 3,600,282.24
Double scale
Find fourth proportional to 7,191,398.44, 10,787,149.50 and 1,800,142.12
Similar ratio
Find fourth proportional to 10,787,096.16, 16,180,722 and 2,700,211.68
1.5x scale
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.