Finding the Fourth Proportional to 3,168,147.90, 4,750,649.64 and 1,008,891.62
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Solution
The fourth proportional to 3,168,147.90, 4,750,649.64 and 1,008,891.62 is: 1,512,836.76
Step by Step Solution
- Step 1: Write the proportion equation
3,168,147.90 : 4,750,649.64 = 1,008,891.62 : x - Step 2: Convert to fraction form
3,168,147.90/4,750,649.64 = 1,008,891.62/x - Step 3: Cross multiply
3,168,147.90x = 4,750,649.64 × 1,008,891.62 - Step 4: Simplify right side
3,168,147.90x = 4,792,890,611,352.02 - Step 5: Solve for x
x = 4,792,890,611,352.02/3,168,147.90 - Step 6: Final answer
x = 1,512,836.76
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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.