Finding the Fourth Proportional to 6,332,221.42, 8,738,473.02 and 3,431,612.28
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Solution
The fourth proportional to 6,332,221.42, 8,738,473.02 and 3,431,612.28 is: 4,735,628.99
Step by Step Solution
- Step 1: Write the proportion equation
6,332,221.42 : 8,738,473.02 = 3,431,612.28 : x - Step 2: Convert to fraction form
6,332,221.42/8,738,473.02 = 3,431,612.28/x - Step 3: Cross multiply
6,332,221.42x = 8,738,473.02 × 3,431,612.28 - Step 4: Simplify right side
6,332,221.42x = 29,987,051,280,188.32 - Step 5: Solve for x
x = 29,987,051,280,188.32/6,332,221.42 - Step 6: Final answer
x = 4,735,628.99
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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.