Finding the Fourth Proportional to 7,720,142.76, 11,580,312.69 and 2,040,318
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Solution
The fourth proportional to 7,720,142.76, 11,580,312.69 and 2,040,318 is: 3,060,503.05
Step by Step Solution
- Step 1: Write the proportion equation
7,720,142.76 : 11,580,312.69 = 2,040,318 : x - Step 2: Convert to fraction form
7,720,142.76/11,580,312.69 = 2,040,318/x - Step 3: Cross multiply
7,720,142.76x = 11,580,312.69 × 2,040,318 - Step 4: Simplify right side
7,720,142.76x = 23,627,520,427,035.42 - Step 5: Solve for x
x = 23,627,520,427,035.42/7,720,142.76 - Step 6: Final answer
x = 3,060,503.05
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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.