Finding the Fourth Proportional to 5,436,770.32, 8,156,138.68 and 2,240,118.16
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Solution
The fourth proportional to 5,436,770.32, 8,156,138.68 and 2,240,118.16 is: 3,360,582.35
Step by Step Solution
- Step 1: Write the proportion equation
5,436,770.32 : 8,156,138.68 = 2,240,118.16 : x - Step 2: Convert to fraction form
5,436,770.32/8,156,138.68 = 2,240,118.16/x - Step 3: Cross multiply
5,436,770.32x = 8,156,138.68 × 2,240,118.16 - Step 4: Simplify right side
5,436,770.32x = 18,270,714,372,546.43 - Step 5: Solve for x
x = 18,270,714,372,546.43/5,436,770.32 - Step 6: Final answer
x = 3,360,582.35
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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.