Finding the Fourth Proportional to 5,181,863.14, 7,770,537.26 and 2,752,484.75
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Solution
The fourth proportional to 5,181,863.14, 7,770,537.26 and 2,752,484.75 is: 4,127,528.02
Step by Step Solution
- Step 1: Write the proportion equation
5,181,863.14 : 7,770,537.26 = 2,752,484.75 : x - Step 2: Convert to fraction form
5,181,863.14/7,770,537.26 = 2,752,484.75/x - Step 3: Cross multiply
5,181,863.14x = 7,770,537.26 × 2,752,484.75 - Step 4: Simplify right side
5,181,863.14x = 21,388,285,307,456.79 - Step 5: Solve for x
x = 21,388,285,307,456.79/5,181,863.14 - Step 6: Final answer
x = 4,127,528.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.