Finding the Fourth Proportional to 4,971,714.26, 6,860,898.10 and 2,796,256.84
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Solution
The fourth proportional to 4,971,714.26, 6,860,898.10 and 2,796,256.84 is: 3,858,796.43
Step by Step Solution
- Step 1: Write the proportion equation
4,971,714.26 : 6,860,898.10 = 2,796,256.84 : x - Step 2: Convert to fraction form
4,971,714.26/6,860,898.10 = 2,796,256.84/x - Step 3: Cross multiply
4,971,714.26x = 6,860,898.10 × 2,796,256.84 - Step 4: Simplify right side
4,971,714.26x = 19,184,833,240,668 - Step 5: Solve for x
x = 19,184,833,240,668/4,971,714.26 - Step 6: Final answer
x = 3,858,796.43
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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.