Finding the Fourth Proportional to 7,098,664.08, 10,649,791.50 and 1,981,093.08
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Solution
The fourth proportional to 7,098,664.08, 10,649,791.50 and 1,981,093.08 is: 2,972,140.67
Step by Step Solution
- Step 1: Write the proportion equation
7,098,664.08 : 10,649,791.50 = 1,981,093.08 : x - Step 2: Convert to fraction form
7,098,664.08/10,649,791.50 = 1,981,093.08/x - Step 3: Cross multiply
7,098,664.08x = 10,649,791.50 × 1,981,093.08 - Step 4: Simplify right side
7,098,664.08x = 21,098,228,244,092.82 - Step 5: Solve for x
x = 21,098,228,244,092.82/7,098,664.08 - Step 6: Final answer
x = 2,972,140.67
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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.