Finding the Fourth Proportional to 4,504,879.13, 6,211,751.90 and 2,870,698.05
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Solution
The fourth proportional to 4,504,879.13, 6,211,751.90 and 2,870,698.05 is: 3,958,389.02
Step by Step Solution
- Step 1: Write the proportion equation
4,504,879.13 : 6,211,751.90 = 2,870,698.05 : x - Step 2: Convert to fraction form
4,504,879.13/6,211,751.90 = 2,870,698.05/x - Step 3: Cross multiply
4,504,879.13x = 6,211,751.90 × 2,870,698.05 - Step 4: Simplify right side
4,504,879.13x = 17,832,064,052,060.30 - Step 5: Solve for x
x = 17,832,064,052,060.30/4,504,879.13 - Step 6: Final answer
x = 3,958,389.02
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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.