Finding the Fourth Proportional to 5,276,951.68, 7,282,195.68 and 2,985,063.52
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Solution
The fourth proportional to 5,276,951.68, 7,282,195.68 and 2,985,063.52 is: 4,119,388.99
Step by Step Solution
- Step 1: Write the proportion equation
5,276,951.68 : 7,282,195.68 = 2,985,063.52 : x - Step 2: Convert to fraction form
5,276,951.68/7,282,195.68 = 2,985,063.52/x - Step 3: Cross multiply
5,276,951.68x = 7,282,195.68 × 2,985,063.52 - Step 4: Simplify right side
5,276,951.68x = 21,737,816,669,869.59 - Step 5: Solve for x
x = 21,737,816,669,869.59/5,276,951.68 - Step 6: Final answer
x = 4,119,388.99
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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.