Finding the Fourth Proportional to 5,214,481.52, 7,195,999.99 and 2,891,537.68
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Solution
The fourth proportional to 5,214,481.52, 7,195,999.99 and 2,891,537.68 is: 3,990,330.59
Step by Step Solution
- Step 1: Write the proportion equation
5,214,481.52 : 7,195,999.99 = 2,891,537.68 : x - Step 2: Convert to fraction form
5,214,481.52/7,195,999.99 = 2,891,537.68/x - Step 3: Cross multiply
5,214,481.52x = 7,195,999.99 × 2,891,537.68 - Step 4: Simplify right side
5,214,481.52x = 20,807,505,091,145.78 - Step 5: Solve for x
x = 20,807,505,091,145.78/5,214,481.52 - Step 6: Final answer
x = 3,990,330.59
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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.