Finding the Fourth Proportional to 5,682,112.68, 7,841,315.18 and 3,068,616.54
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Solution
The fourth proportional to 5,682,112.68, 7,841,315.18 and 3,068,616.54 is: 4,234,690.65
Step by Step Solution
- Step 1: Write the proportion equation
5,682,112.68 : 7,841,315.18 = 3,068,616.54 : x - Step 2: Convert to fraction form
5,682,112.68/7,841,315.18 = 3,068,616.54/x - Step 3: Cross multiply
5,682,112.68x = 7,841,315.18 × 3,068,616.54 - Step 4: Simplify right side
5,682,112.68x = 24,061,989,456,701.08 - Step 5: Solve for x
x = 24,061,989,456,701.08/5,682,112.68 - Step 6: Final answer
x = 4,234,690.65
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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.