Finding the Fourth Proportional to 3,524,540.64, 5,286,816 and 865,148.64
Calculator
Solution
The fourth proportional to 3,524,540.64, 5,286,816 and 865,148.64 is: 1,297,724.20
Step by Step Solution
- Step 1: Write the proportion equation
3,524,540.64 : 5,286,816 = 865,148.64 : x - Step 2: Convert to fraction form
3,524,540.64/5,286,816 = 865,148.64/x - Step 3: Cross multiply
3,524,540.64x = 5,286,816 × 865,148.64 - Step 4: Simplify right side
3,524,540.64x = 4,573,881,672,330.24 - Step 5: Solve for x
x = 4,573,881,672,330.24/3,524,540.64 - Step 6: Final answer
x = 1,297,724.20
Related Problems
Find fourth proportional to 1,762,270.32, 2,643,408 and 432,574.32
Half scale
Find fourth proportional to 7,049,081.28, 10,573,632 and 1,730,297.28
Double scale
Find fourth proportional to 3,524,541.64, 5,286,817.50 and 865,149.64
Similar ratio
Find fourth proportional to 5,286,810.96, 7,930,224 and 1,297,722.96
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.