Finding the Fourth Proportional to 5,408,015.21, 7,468,119.77 and 3,477,629.69
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Solution
The fourth proportional to 5,408,015.21, 7,468,119.77 and 3,477,629.69 is: 4,802,382.02
Step by Step Solution
- Step 1: Write the proportion equation
5,408,015.21 : 7,468,119.77 = 3,477,629.69 : x - Step 2: Convert to fraction form
5,408,015.21/7,468,119.77 = 3,477,629.69/x - Step 3: Cross multiply
5,408,015.21x = 7,468,119.77 × 3,477,629.69 - Step 4: Simplify right side
5,408,015.21x = 25,971,354,985,899.22 - Step 5: Solve for x
x = 25,971,354,985,899.22/5,408,015.21 - Step 6: Final answer
x = 4,802,382.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.