Finding the Fourth Proportional to 3,921,842.36, 5,882,768.16 and 1,226,181.72
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Solution
The fourth proportional to 3,921,842.36, 5,882,768.16 and 1,226,181.72 is: 1,839,274.02
Step by Step Solution
- Step 1: Write the proportion equation
3,921,842.36 : 5,882,768.16 = 1,226,181.72 : x - Step 2: Convert to fraction form
3,921,842.36/5,882,768.16 = 1,226,181.72/x - Step 3: Cross multiply
3,921,842.36x = 5,882,768.16 × 1,226,181.72 - Step 4: Simplify right side
3,921,842.36x = 7,213,342,780,790.04 - Step 5: Solve for x
x = 7,213,342,780,790.04/3,921,842.36 - Step 6: Final answer
x = 1,839,274.02
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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.