Finding the Fourth Proportional to 5,198,166.06, 7,832,340.84 and 4,307,176.70
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Solution
The fourth proportional to 5,198,166.06, 7,832,340.84 and 4,307,176.70 is: 6,489,841.91
Step by Step Solution
- Step 1: Write the proportion equation
5,198,166.06 : 7,832,340.84 = 4,307,176.70 : x - Step 2: Convert to fraction form
5,198,166.06/7,832,340.84 = 4,307,176.70/x - Step 3: Cross multiply
5,198,166.06x = 7,832,340.84 × 4,307,176.70 - Step 4: Simplify right side
5,198,166.06x = 33,735,275,972,506.43 - Step 5: Solve for x
x = 33,735,275,972,506.43/5,198,166.06 - Step 6: Final answer
x = 6,489,841.91
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.