Finding the Fourth Proportional to 1,527,161.99, 2,107,425.80 and 848,142.23
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Solution
The fourth proportional to 1,527,161.99, 2,107,425.80 and 848,142.23 is: 1,170,404.21
Step by Step Solution
- Step 1: Write the proportion equation
1,527,161.99 : 2,107,425.80 = 848,142.23 : x - Step 2: Convert to fraction form
1,527,161.99/2,107,425.80 = 848,142.23/x - Step 3: Cross multiply
1,527,161.99x = 2,107,425.80 × 848,142.23 - Step 4: Simplify right side
1,527,161.99x = 1,787,396,809,154.76 - Step 5: Solve for x
x = 1,787,396,809,154.76/1,527,161.99 - Step 6: Final answer
x = 1,170,404.21
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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.