Finding the Fourth Proportional to 4,471,879.72, 6,171,751.68 and 2,538,766.12
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Solution
The fourth proportional to 4,471,879.72, 6,171,751.68 and 2,538,766.12 is: 3,503,813.84
Step by Step Solution
- Step 1: Write the proportion equation
4,471,879.72 : 6,171,751.68 = 2,538,766.12 : x - Step 2: Convert to fraction form
4,471,879.72/6,171,751.68 = 2,538,766.12/x - Step 3: Cross multiply
4,471,879.72x = 6,171,751.68 × 2,538,766.12 - Step 4: Simplify right side
4,471,879.72x = 15,668,634,066,237.08 - Step 5: Solve for x
x = 15,668,634,066,237.08/4,471,879.72 - Step 6: Final answer
x = 3,503,813.84
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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.