Finding the Fourth Proportional to 5,193,445.28, 7,167,844.44 and 3,019,249.58
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Solution
The fourth proportional to 5,193,445.28, 7,167,844.44 and 3,019,249.58 is: 4,167,081.80
Step by Step Solution
- Step 1: Write the proportion equation
5,193,445.28 : 7,167,844.44 = 3,019,249.58 : x - Step 2: Convert to fraction form
5,193,445.28/7,167,844.44 = 3,019,249.58/x - Step 3: Cross multiply
5,193,445.28x = 7,167,844.44 × 3,019,249.58 - Step 4: Simplify right side
5,193,445.28x = 21,641,511,279,136.12 - Step 5: Solve for x
x = 21,641,511,279,136.12/5,193,445.28 - Step 6: Final answer
x = 4,167,081.80
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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.