Finding the Fourth Proportional to 4,990,956.68, 6,887,540.97 and 2,699,117.37
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Solution
The fourth proportional to 4,990,956.68, 6,887,540.97 and 2,699,117.37 is: 3,724,793.20
Step by Step Solution
- Step 1: Write the proportion equation
4,990,956.68 : 6,887,540.97 = 2,699,117.37 : x - Step 2: Convert to fraction form
4,990,956.68/6,887,540.97 = 2,699,117.37/x - Step 3: Cross multiply
4,990,956.68x = 6,887,540.97 × 2,699,117.37 - Step 4: Simplify right side
4,990,956.68x = 18,590,281,468,713.65 - Step 5: Solve for x
x = 18,590,281,468,713.65/4,990,956.68 - Step 6: Final answer
x = 3,724,793.20
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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.