Finding the Fourth Proportional to 5,206,032.93, 7,184,235.38 and 2,882,879.40
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Solution
The fourth proportional to 5,206,032.93, 7,184,235.38 and 2,882,879.40 is: 3,978,323.70
Step by Step Solution
- Step 1: Write the proportion equation
5,206,032.93 : 7,184,235.38 = 2,882,879.40 : x - Step 2: Convert to fraction form
5,206,032.93/7,184,235.38 = 2,882,879.40/x - Step 3: Cross multiply
5,206,032.93x = 7,184,235.38 × 2,882,879.40 - Step 4: Simplify right side
5,206,032.93x = 20,711,284,167,338.77 - Step 5: Solve for x
x = 20,711,284,167,338.77/5,206,032.93 - Step 6: Final answer
x = 3,978,323.70
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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.