Finding the Fourth Proportional to 2,860,926.12, 3,946,713.84 and 2,084,893.20
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Solution
The fourth proportional to 2,860,926.12, 3,946,713.84 and 2,084,893.20 is: 2,876,158.45
Step by Step Solution
- Step 1: Write the proportion equation
2,860,926.12 : 3,946,713.84 = 2,084,893.20 : x - Step 2: Convert to fraction form
2,860,926.12/3,946,713.84 = 2,084,893.20/x - Step 3: Cross multiply
2,860,926.12x = 3,946,713.84 × 2,084,893.20 - Step 4: Simplify right side
2,860,926.12x = 8,228,476,847,361.89 - Step 5: Solve for x
x = 8,228,476,847,361.89/2,860,926.12 - Step 6: Final answer
x = 2,876,158.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.