Finding the Fourth Proportional to 7,738,278.16, 11,607,526.62 and 2,946,229.48
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Solution
The fourth proportional to 7,738,278.16, 11,607,526.62 and 2,946,229.48 is: 4,419,385.86
Step by Step Solution
- Step 1: Write the proportion equation
7,738,278.16 : 11,607,526.62 = 2,946,229.48 : x - Step 2: Convert to fraction form
7,738,278.16/11,607,526.62 = 2,946,229.48/x - Step 3: Cross multiply
7,738,278.16x = 11,607,526.62 × 2,946,229.48 - Step 4: Simplify right side
7,738,278.16x = 34,198,437,117,728.75 - Step 5: Solve for x
x = 34,198,437,117,728.75/7,738,278.16 - Step 6: Final answer
x = 4,419,385.86
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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.