Finding the Fourth Proportional to 6,397,422.96, 9,596,135.73 and 2,137,591.62
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Solution
The fourth proportional to 6,397,422.96, 9,596,135.73 and 2,137,591.62 is: 3,206,387.86
Step by Step Solution
- Step 1: Write the proportion equation
6,397,422.96 : 9,596,135.73 = 2,137,591.62 : x - Step 2: Convert to fraction form
6,397,422.96/9,596,135.73 = 2,137,591.62/x - Step 3: Cross multiply
6,397,422.96x = 9,596,135.73 × 2,137,591.62 - Step 4: Simplify right side
6,397,422.96x = 20,512,619,320,830.59 - Step 5: Solve for x
x = 20,512,619,320,830.59/6,397,422.96 - Step 6: Final answer
x = 3,206,387.86
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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.