Finding the Fourth Proportional to 2,075,609.62, 2,864,336.55 and 1,170,185.14
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Solution
The fourth proportional to 2,075,609.62, 2,864,336.55 and 1,170,185.14 is: 1,614,852.83
Step by Step Solution
- Step 1: Write the proportion equation
2,075,609.62 : 2,864,336.55 = 1,170,185.14 : x - Step 2: Convert to fraction form
2,075,609.62/2,864,336.55 = 1,170,185.14/x - Step 3: Cross multiply
2,075,609.62x = 2,864,336.55 × 1,170,185.14 - Step 4: Simplify right side
2,075,609.62x = 3,351,804,066,768.87 - Step 5: Solve for x
x = 3,351,804,066,768.87/2,075,609.62 - Step 6: Final answer
x = 1,614,852.83
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1.5x scale
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.