Finding the Fourth Proportional to 6,081,919.09, 8,348,340.96 and 5,378,171.65
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Solution
The fourth proportional to 6,081,919.09, 8,348,340.96 and 5,378,171.65 is: 7,382,342.65
Step by Step Solution
- Step 1: Write the proportion equation
6,081,919.09 : 8,348,340.96 = 5,378,171.65 : x - Step 2: Convert to fraction form
6,081,919.09/8,348,340.96 = 5,378,171.65/x - Step 3: Cross multiply
6,081,919.09x = 8,348,340.96 × 5,378,171.65 - Step 4: Simplify right side
6,081,919.09x = 44,898,810,675,605.79 - Step 5: Solve for x
x = 44,898,810,675,605.79/6,081,919.09 - Step 6: Final answer
x = 7,382,342.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.