Finding the Fourth Proportional to 6,959,791.68, 10,443,751.84 and 2,915,933.92
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Solution
The fourth proportional to 6,959,791.68, 10,443,751.84 and 2,915,933.92 is: 4,375,603.70
Step by Step Solution
- Step 1: Write the proportion equation
6,959,791.68 : 10,443,751.84 = 2,915,933.92 : x - Step 2: Convert to fraction form
6,959,791.68/10,443,751.84 = 2,915,933.92/x - Step 3: Cross multiply
6,959,791.68x = 10,443,751.84 × 2,915,933.92 - Step 4: Simplify right side
6,959,791.68x = 30,453,290,242,318.41 - Step 5: Solve for x
x = 30,453,290,242,318.41/6,959,791.68 - Step 6: Final answer
x = 4,375,603.70
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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.