Finding the Fourth Proportional to 3,746,815.44, 5,170,699.80 and 2,297,310.12
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Solution
The fourth proportional to 3,746,815.44, 5,170,699.80 and 2,297,310.12 is: 3,170,345.90
Step by Step Solution
- Step 1: Write the proportion equation
3,746,815.44 : 5,170,699.80 = 2,297,310.12 : x - Step 2: Convert to fraction form
3,746,815.44/5,170,699.80 = 2,297,310.12/x - Step 3: Cross multiply
3,746,815.44x = 5,170,699.80 × 2,297,310.12 - Step 4: Simplify right side
3,746,815.44x = 11,878,700,978,021.98 - Step 5: Solve for x
x = 11,878,700,978,021.98/3,746,815.44 - Step 6: Final answer
x = 3,170,345.90
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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.