Finding the Fourth Proportional to 6,716,720.63, 9,268,971.62 and 3,776,540.31
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Solution
The fourth proportional to 6,716,720.63, 9,268,971.62 and 3,776,540.31 is: 5,211,567.79
Step by Step Solution
- Step 1: Write the proportion equation
6,716,720.63 : 9,268,971.62 = 3,776,540.31 : x - Step 2: Convert to fraction form
6,716,720.63/9,268,971.62 = 3,776,540.31/x - Step 3: Cross multiply
6,716,720.63x = 9,268,971.62 × 3,776,540.31 - Step 4: Simplify right side
6,716,720.63x = 35,004,644,936,293.30 - Step 5: Solve for x
x = 35,004,644,936,293.30/6,716,720.63 - Step 6: Final answer
x = 5,211,567.79
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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.