Finding the Fourth Proportional to 2,921,266.11, 4,381,893.29 and 2,743,497.90
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Solution
The fourth proportional to 2,921,266.11, 4,381,893.29 and 2,743,497.90 is: 4,115,241.33
Step by Step Solution
- Step 1: Write the proportion equation
2,921,266.11 : 4,381,893.29 = 2,743,497.90 : x - Step 2: Convert to fraction form
2,921,266.11/4,381,893.29 = 2,743,497.90/x - Step 3: Cross multiply
2,921,266.11x = 4,381,893.29 × 2,743,497.90 - Step 4: Simplify right side
2,921,266.11x = 12,021,715,019,277.62 - Step 5: Solve for x
x = 12,021,715,019,277.62/2,921,266.11 - Step 6: Final answer
x = 4,115,241.33
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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.