Finding the Fourth Proportional to 5,915,928.12, 8,163,981.42 and 3,199,674.12
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Solution
The fourth proportional to 5,915,928.12, 8,163,981.42 and 3,199,674.12 is: 4,415,550.62
Step by Step Solution
- Step 1: Write the proportion equation
5,915,928.12 : 8,163,981.42 = 3,199,674.12 : x - Step 2: Convert to fraction form
5,915,928.12/8,163,981.42 = 3,199,674.12/x - Step 3: Cross multiply
5,915,928.12x = 8,163,981.42 × 3,199,674.12 - Step 4: Simplify right side
5,915,928.12x = 26,122,080,065,734.85 - Step 5: Solve for x
x = 26,122,080,065,734.85/5,915,928.12 - Step 6: Final answer
x = 4,415,550.62
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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.