Finding the Fourth Proportional to 4,632,778.69, 6,393,617.62 and 2,568,442.05
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Solution
The fourth proportional to 4,632,778.69, 6,393,617.62 and 2,568,442.05 is: 3,544,662.38
Step by Step Solution
- Step 1: Write the proportion equation
4,632,778.69 : 6,393,617.62 = 2,568,442.05 : x - Step 2: Convert to fraction form
4,632,778.69/6,393,617.62 = 2,568,442.05/x - Step 3: Cross multiply
4,632,778.69x = 6,393,617.62 × 2,568,442.05 - Step 4: Simplify right side
4,632,778.69x = 16,421,636,340,407.81 - Step 5: Solve for x
x = 16,421,636,340,407.81/4,632,778.69 - Step 6: Final answer
x = 3,544,662.38
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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.