Finding the Fourth Proportional to 5,412,241.29, 7,467,135.62 and 3,690,372.45
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Solution
The fourth proportional to 5,412,241.29, 7,467,135.62 and 3,690,372.45 is: 5,091,515.71
Step by Step Solution
- Step 1: Write the proportion equation
5,412,241.29 : 7,467,135.62 = 3,690,372.45 : x - Step 2: Convert to fraction form
5,412,241.29/7,467,135.62 = 3,690,372.45/x - Step 3: Cross multiply
5,412,241.29x = 7,467,135.62 × 3,690,372.45 - Step 4: Simplify right side
5,412,241.29x = 27,556,511,554,009.81 - Step 5: Solve for x
x = 27,556,511,554,009.81/5,412,241.29 - Step 6: Final answer
x = 5,091,515.71
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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.