Finding the Fourth Proportional to 5,330,368.62, 7,355,886.48 and 2,882,982.24
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Solution
The fourth proportional to 5,330,368.62, 7,355,886.48 and 2,882,982.24 is: 3,978,503.48
Step by Step Solution
- Step 1: Write the proportion equation
5,330,368.62 : 7,355,886.48 = 2,882,982.24 : x - Step 2: Convert to fraction form
5,330,368.62/7,355,886.48 = 2,882,982.24/x - Step 3: Cross multiply
5,330,368.62x = 7,355,886.48 × 2,882,982.24 - Step 4: Simplify right side
5,330,368.62x = 21,206,890,081,296.12 - Step 5: Solve for x
x = 21,206,890,081,296.12/5,330,368.62 - Step 6: Final answer
x = 3,978,503.48
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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.