Finding the Fourth Proportional to 6,081,990.74, 8,393,169.46 and 3,291,114.01
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Solution
The fourth proportional to 6,081,990.74, 8,393,169.46 and 3,291,114.01 is: 4,541,749.37
Step by Step Solution
- Step 1: Write the proportion equation
6,081,990.74 : 8,393,169.46 = 3,291,114.01 : x - Step 2: Convert to fraction form
6,081,990.74/8,393,169.46 = 3,291,114.01/x - Step 3: Cross multiply
6,081,990.74x = 8,393,169.46 × 3,291,114.01 - Step 4: Simplify right side
6,081,990.74x = 27,622,877,581,654.56 - Step 5: Solve for x
x = 27,622,877,581,654.56/6,081,990.74 - Step 6: Final answer
x = 4,541,749.37
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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.