Finding the Fourth Proportional to 2,513,891.76, 3,770,872.74 and 716,775.93
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Solution
The fourth proportional to 2,513,891.76, 3,770,872.74 and 716,775.93 is: 1,075,173.90
Step by Step Solution
- Step 1: Write the proportion equation
2,513,891.76 : 3,770,872.74 = 716,775.93 : x - Step 2: Convert to fraction form
2,513,891.76/3,770,872.74 = 716,775.93/x - Step 3: Cross multiply
2,513,891.76x = 3,770,872.74 × 716,775.93 - Step 4: Simplify right side
2,513,891.76x = 2,702,870,815,125.15 - Step 5: Solve for x
x = 2,702,870,815,125.15/2,513,891.76 - Step 6: Final answer
x = 1,075,173.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.