Finding the Fourth Proportional to 5,292,936.70, 7,305,897.27 and 4,207,134.94
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Solution
The fourth proportional to 5,292,936.70, 7,305,897.27 and 4,207,134.94 is: 5,807,153.46
Step by Step Solution
- Step 1: Write the proportion equation
5,292,936.70 : 7,305,897.27 = 4,207,134.94 : x - Step 2: Convert to fraction form
5,292,936.70/7,305,897.27 = 4,207,134.94/x - Step 3: Cross multiply
5,292,936.70x = 7,305,897.27 × 4,207,134.94 - Step 4: Simplify right side
5,292,936.70x = 30,736,895,672,667.61 - Step 5: Solve for x
x = 30,736,895,672,667.61/5,292,936.70 - Step 6: Final answer
x = 5,807,153.46
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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.