Finding the Fourth Proportional to 5,558,861.81, 8,338,047.42 and 1,515,349.86
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Solution
The fourth proportional to 5,558,861.81, 8,338,047.42 and 1,515,349.86 is: 2,272,957.92
Step by Step Solution
- Step 1: Write the proportion equation
5,558,861.81 : 8,338,047.42 = 1,515,349.86 : x - Step 2: Convert to fraction form
5,558,861.81/8,338,047.42 = 1,515,349.86/x - Step 3: Cross multiply
5,558,861.81x = 8,338,047.42 × 1,515,349.86 - Step 4: Simplify right side
5,558,861.81x = 12,635,058,993,768.84 - Step 5: Solve for x
x = 12,635,058,993,768.84/5,558,861.81 - Step 6: Final answer
x = 2,272,957.92
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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.