Finding the Fourth Proportional to 5,703,178.25, 8,555,160.99 and 1,659,699.56
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Solution
The fourth proportional to 5,703,178.25, 8,555,160.99 and 1,659,699.56 is: 2,489,663.89
Step by Step Solution
- Step 1: Write the proportion equation
5,703,178.25 : 8,555,160.99 = 1,659,699.56 : x - Step 2: Convert to fraction form
5,703,178.25/8,555,160.99 = 1,659,699.56/x - Step 3: Cross multiply
5,703,178.25x = 8,555,160.99 × 1,659,699.56 - Step 4: Simplify right side
5,703,178.25x = 14,198,996,930,832.17 - Step 5: Solve for x
x = 14,198,996,930,832.17/5,703,178.25 - Step 6: Final answer
x = 2,489,663.89
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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.