Finding the Fourth Proportional to 4,114,965.65, 5,680,621.73 and 2,740,596.53
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Solution
The fourth proportional to 4,114,965.65, 5,680,621.73 and 2,740,596.53 is: 3,783,334.67
Step by Step Solution
- Step 1: Write the proportion equation
4,114,965.65 : 5,680,621.73 = 2,740,596.53 : x - Step 2: Convert to fraction form
4,114,965.65/5,680,621.73 = 2,740,596.53/x - Step 3: Cross multiply
4,114,965.65x = 5,680,621.73 × 2,740,596.53 - Step 4: Simplify right side
4,114,965.65x = 15,568,292,179,928.98 - Step 5: Solve for x
x = 15,568,292,179,928.98/4,114,965.65 - Step 6: Final answer
x = 3,783,334.67
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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.