Finding the Fourth Proportional to 7,841,619.60, 11,757,034.80 and 3,995,998.80
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Solution
The fourth proportional to 7,841,619.60, 11,757,034.80 and 3,995,998.80 is: 5,991,249.17
Step by Step Solution
- Step 1: Write the proportion equation
7,841,619.60 : 11,757,034.80 = 3,995,998.80 : x - Step 2: Convert to fraction form
7,841,619.60/11,757,034.80 = 3,995,998.80/x - Step 3: Cross multiply
7,841,619.60x = 11,757,034.80 × 3,995,998.80 - Step 4: Simplify right side
7,841,619.60x = 46,981,096,952,358.24 - Step 5: Solve for x
x = 46,981,096,952,358.24/7,841,619.60 - Step 6: Final answer
x = 5,991,249.17
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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.