Finding the Fourth Proportional to 7,266,816.72, 10,902,356.70 and 2,149,381.50
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Solution
The fourth proportional to 7,266,816.72, 10,902,356.70 and 2,149,381.50 is: 3,224,702.74
Step by Step Solution
- Step 1: Write the proportion equation
7,266,816.72 : 10,902,356.70 = 2,149,381.50 : x - Step 2: Convert to fraction form
7,266,816.72/10,902,356.70 = 2,149,381.50/x - Step 3: Cross multiply
7,266,816.72x = 10,902,356.70 × 2,149,381.50 - Step 4: Simplify right side
7,266,816.72x = 23,433,323,797,381.05 - Step 5: Solve for x
x = 23,433,323,797,381.05/7,266,816.72 - Step 6: Final answer
x = 3,224,702.74
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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.