Finding the Fourth Proportional to 2,067,517.93, 2,852,756.66 and 1,207,912.11
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Solution
The fourth proportional to 2,067,517.93, 2,852,756.66 and 1,207,912.11 is: 1,666,674.45
Step by Step Solution
- Step 1: Write the proportion equation
2,067,517.93 : 2,852,756.66 = 1,207,912.11 : x - Step 2: Convert to fraction form
2,067,517.93/2,852,756.66 = 1,207,912.11/x - Step 3: Cross multiply
2,067,517.93x = 2,852,756.66 × 1,207,912.11 - Step 4: Simplify right side
2,067,517.93x = 3,445,879,316,497.15 - Step 5: Solve for x
x = 3,445,879,316,497.15/2,067,517.93 - Step 6: Final answer
x = 1,666,674.45
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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.