Finding the Fourth Proportional to 4,920,531.11, 7,374,812.84 and 3,481,629.18
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Solution
The fourth proportional to 4,920,531.11, 7,374,812.84 and 3,481,629.18 is: 5,218,209.77
Step by Step Solution
- Step 1: Write the proportion equation
4,920,531.11 : 7,374,812.84 = 3,481,629.18 : x - Step 2: Convert to fraction form
4,920,531.11/7,374,812.84 = 3,481,629.18/x - Step 3: Cross multiply
4,920,531.11x = 7,374,812.84 × 3,481,629.18 - Step 4: Simplify right side
4,920,531.11x = 25,676,363,548,775.09 - Step 5: Solve for x
x = 25,676,363,548,775.09/4,920,531.11 - Step 6: Final answer
x = 5,218,209.77
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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.