Finding the Fourth Proportional to 3,882,933.39, 5,358,474.65 and 2,164,164.62
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Solution
The fourth proportional to 3,882,933.39, 5,358,474.65 and 2,164,164.62 is: 2,986,561.99
Step by Step Solution
- Step 1: Write the proportion equation
3,882,933.39 : 5,358,474.65 = 2,164,164.62 : x - Step 2: Convert to fraction form
3,882,933.39/5,358,474.65 = 2,164,164.62/x - Step 3: Cross multiply
3,882,933.39x = 5,358,474.65 × 2,164,164.62 - Step 4: Simplify right side
3,882,933.39x = 11,596,621,243,876.06 - Step 5: Solve for x
x = 11,596,621,243,876.06/3,882,933.39 - Step 6: Final answer
x = 2,986,561.99
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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.