Finding the Fourth Proportional to 1,670,163.16, 2,502,020.73 and 996,782.21
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Solution
The fourth proportional to 1,670,163.16, 2,502,020.73 and 996,782.21 is: 1,493,249.17
Step by Step Solution
- Step 1: Write the proportion equation
1,670,163.16 : 2,502,020.73 = 996,782.21 : x - Step 2: Convert to fraction form
1,670,163.16/2,502,020.73 = 996,782.21/x - Step 3: Cross multiply
1,670,163.16x = 2,502,020.73 × 996,782.21 - Step 4: Simplify right side
1,670,163.16x = 2,493,969,752,715.21 - Step 5: Solve for x
x = 2,493,969,752,715.21/1,670,163.16 - Step 6: Final answer
x = 1,493,249.17
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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.