Finding the Fourth Proportional to 5,421,513.62, 8,132,257.46 and 2,992,550.42
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Solution
The fourth proportional to 5,421,513.62, 8,132,257.46 and 2,992,550.42 is: 4,488,818.47
Step by Step Solution
- Step 1: Write the proportion equation
5,421,513.62 : 8,132,257.46 = 2,992,550.42 : x - Step 2: Convert to fraction form
5,421,513.62/8,132,257.46 = 2,992,550.42/x - Step 3: Cross multiply
5,421,513.62x = 8,132,257.46 × 2,992,550.42 - Step 4: Simplify right side
5,421,513.62x = 24,336,190,477,471.13 - Step 5: Solve for x
x = 24,336,190,477,471.13/5,421,513.62 - Step 6: Final answer
x = 4,488,818.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.