Finding the Fourth Proportional to 3,135,342.72, 4,325,177.86 and 2,048,250.62
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Solution
The fourth proportional to 3,135,342.72, 4,325,177.86 and 2,048,250.62 is: 2,825,543.82
Step by Step Solution
- Step 1: Write the proportion equation
3,135,342.72 : 4,325,177.86 = 2,048,250.62 : x - Step 2: Convert to fraction form
3,135,342.72/4,325,177.86 = 2,048,250.62/x - Step 3: Cross multiply
3,135,342.72x = 4,325,177.86 × 2,048,250.62 - Step 4: Simplify right side
3,135,342.72x = 8,859,048,233,355.27 - Step 5: Solve for x
x = 8,859,048,233,355.27/3,135,342.72 - Step 6: Final answer
x = 2,825,543.82
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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.