Finding the Fourth Proportional to 5,188,415.96, 7,782,516.08 and 1,730,404.76
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Solution
The fourth proportional to 5,188,415.96, 7,782,516.08 and 1,730,404.76 is: 2,595,571.17
Step by Step Solution
- Step 1: Write the proportion equation
5,188,415.96 : 7,782,516.08 = 1,730,404.76 : x - Step 2: Convert to fraction form
5,188,415.96/7,782,516.08 = 1,730,404.76/x - Step 3: Cross multiply
5,188,415.96x = 7,782,516.08 × 1,730,404.76 - Step 4: Simplify right side
5,188,415.96x = 13,466,902,869,608.54 - Step 5: Solve for x
x = 13,466,902,869,608.54/5,188,415.96 - Step 6: Final answer
x = 2,595,571.17
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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.