Finding the Fourth Proportional to 5,529,642.64, 7,629,316.84 and 3,598,745.36
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Solution
The fourth proportional to 5,529,642.64, 7,629,316.84 and 3,598,745.36 is: 4,965,233.81
Step by Step Solution
- Step 1: Write the proportion equation
5,529,642.64 : 7,629,316.84 = 3,598,745.36 : x - Step 2: Convert to fraction form
5,529,642.64/7,629,316.84 = 3,598,745.36/x - Step 3: Cross multiply
5,529,642.64x = 7,629,316.84 × 3,598,745.36 - Step 4: Simplify right side
5,529,642.64x = 27,455,968,577,919.86 - Step 5: Solve for x
x = 27,455,968,577,919.86/5,529,642.64 - Step 6: Final answer
x = 4,965,233.81
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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.