Finding the Fourth Proportional to 7,680,201.62, 11,520,298.74 and 2,288,714.48
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Solution
The fourth proportional to 7,680,201.62, 11,520,298.74 and 2,288,714.48 is: 3,433,070.62
Step by Step Solution
- Step 1: Write the proportion equation
7,680,201.62 : 11,520,298.74 = 2,288,714.48 : x - Step 2: Convert to fraction form
7,680,201.62/11,520,298.74 = 2,288,714.48/x - Step 3: Cross multiply
7,680,201.62x = 11,520,298.74 × 2,288,714.48 - Step 4: Simplify right side
7,680,201.62x = 26,366,674,540,163.75 - Step 5: Solve for x
x = 26,366,674,540,163.75/7,680,201.62 - Step 6: Final answer
x = 3,433,070.62
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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.