Finding the Fourth Proportional to 3,207,446.44, 4,426,275.72 and 1,918,286.62
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Solution
The fourth proportional to 3,207,446.44, 4,426,275.72 and 1,918,286.62 is: 2,647,235.32
Step by Step Solution
- Step 1: Write the proportion equation
3,207,446.44 : 4,426,275.72 = 1,918,286.62 : x - Step 2: Convert to fraction form
3,207,446.44/4,426,275.72 = 1,918,286.62/x - Step 3: Cross multiply
3,207,446.44x = 4,426,275.72 × 1,918,286.62 - Step 4: Simplify right side
3,207,446.44x = 8,490,865,490,106.87 - Step 5: Solve for x
x = 8,490,865,490,106.87/3,207,446.44 - Step 6: Final answer
x = 2,647,235.32
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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.