Finding the Fourth Proportional to 7,202,858.64, 9,940,181.62 and 3,939,673.26
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Solution
The fourth proportional to 7,202,858.64, 9,940,181.62 and 3,939,673.26 is: 5,436,878.56
Step by Step Solution
- Step 1: Write the proportion equation
7,202,858.64 : 9,940,181.62 = 3,939,673.26 : x - Step 2: Convert to fraction form
7,202,858.64/9,940,181.62 = 3,939,673.26/x - Step 3: Cross multiply
7,202,858.64x = 9,940,181.62 × 3,939,673.26 - Step 4: Simplify right side
7,202,858.64x = 39,161,067,727,857.48 - Step 5: Solve for x
x = 39,161,067,727,857.48/7,202,858.64 - Step 6: Final answer
x = 5,436,878.56
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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.