Finding the Fourth Proportional to 3,800,341.19, 5,244,555.70 and 2,168,716.07
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Solution
The fourth proportional to 3,800,341.19, 5,244,555.70 and 2,168,716.07 is: 2,992,876.60
Step by Step Solution
- Step 1: Write the proportion equation
3,800,341.19 : 5,244,555.70 = 2,168,716.07 : x - Step 2: Convert to fraction form
3,800,341.19/5,244,555.70 = 2,168,716.07/x - Step 3: Cross multiply
3,800,341.19x = 5,244,555.70 × 2,168,716.07 - Step 4: Simplify right side
3,800,341.19x = 11,373,952,242,422.38 - Step 5: Solve for x
x = 11,373,952,242,422.38/3,800,341.19 - Step 6: Final answer
x = 2,992,876.60
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Double scale
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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.