Finding the Fourth Proportional to 3,173,397.14, 4,371,979.76 and 2,192,396.42
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Solution
The fourth proportional to 3,173,397.14, 4,371,979.76 and 2,192,396.42 is: 3,020,458.00
Step by Step Solution
- Step 1: Write the proportion equation
3,173,397.14 : 4,371,979.76 = 2,192,396.42 : x - Step 2: Convert to fraction form
3,173,397.14/4,371,979.76 = 2,192,396.42/x - Step 3: Cross multiply
3,173,397.14x = 4,371,979.76 × 2,192,396.42 - Step 4: Simplify right side
3,173,397.14x = 9,585,112,782,325.91 - Step 5: Solve for x
x = 9,585,112,782,325.91/3,173,397.14 - Step 6: Final answer
x = 3,020,458.00
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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.