Finding the Fourth Proportional to 5,244,715.09, 7,237,265.92 and 3,207,130.93
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Solution
The fourth proportional to 5,244,715.09, 7,237,265.92 and 3,207,130.93 is: 4,425,571.07
Step by Step Solution
- Step 1: Write the proportion equation
5,244,715.09 : 7,237,265.92 = 3,207,130.93 : x - Step 2: Convert to fraction form
5,244,715.09/7,237,265.92 = 3,207,130.93/x - Step 3: Cross multiply
5,244,715.09x = 7,237,265.92 × 3,207,130.93 - Step 4: Simplify right side
5,244,715.09x = 23,210,859,380,666.91 - Step 5: Solve for x
x = 23,210,859,380,666.91/5,244,715.09 - Step 6: Final answer
x = 4,425,571.07
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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.