Finding the Fourth Proportional to 6,288,512.40, 9,424,603.80 and 2,915,542.80
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Solution
The fourth proportional to 6,288,512.40, 9,424,603.80 and 2,915,542.80 is: 4,369,528.75
Step by Step Solution
- Step 1: Write the proportion equation
6,288,512.40 : 9,424,603.80 = 2,915,542.80 : x - Step 2: Convert to fraction form
6,288,512.40/9,424,603.80 = 2,915,542.80/x - Step 3: Cross multiply
6,288,512.40x = 9,424,603.80 × 2,915,542.80 - Step 4: Simplify right side
6,288,512.40x = 27,477,835,751,942.64 - Step 5: Solve for x
x = 27,477,835,751,942.64/6,288,512.40 - Step 6: Final answer
x = 4,369,528.75
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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.