Finding the Fourth Proportional to 5,126,583.48, 7,685,349.72 and 1,933,951.68
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Solution
The fourth proportional to 5,126,583.48, 7,685,349.72 and 1,933,951.68 is: 2,899,220.32
Step by Step Solution
- Step 1: Write the proportion equation
5,126,583.48 : 7,685,349.72 = 1,933,951.68 : x - Step 2: Convert to fraction form
5,126,583.48/7,685,349.72 = 1,933,951.68/x - Step 3: Cross multiply
5,126,583.48x = 7,685,349.72 × 1,933,951.68 - Step 4: Simplify right side
5,126,583.48x = 14,863,095,002,381.53 - Step 5: Solve for x
x = 14,863,095,002,381.53/5,126,583.48 - Step 6: Final answer
x = 2,899,220.32
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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.