Finding the Fourth Proportional to 3,694,421.99, 5,099,152.35 and 2,167,021.19
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Solution
The fourth proportional to 3,694,421.99, 5,099,152.35 and 2,167,021.19 is: 2,990,987.82
Step by Step Solution
- Step 1: Write the proportion equation
3,694,421.99 : 5,099,152.35 = 2,167,021.19 : x - Step 2: Convert to fraction form
3,694,421.99/5,099,152.35 = 2,167,021.19/x - Step 3: Cross multiply
3,694,421.99x = 5,099,152.35 × 2,167,021.19 - Step 4: Simplify right side
3,694,421.99x = 11,049,971,167,992.54 - Step 5: Solve for x
x = 11,049,971,167,992.54/3,694,421.99 - Step 6: Final answer
x = 2,990,987.82
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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.