Finding the Fourth Proportional to 3,860,793.45, 5,791,190.18 and 1,021,192.65
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Solution
The fourth proportional to 3,860,793.45, 5,791,190.18 and 1,021,192.65 is: 1,531,788.98
Step by Step Solution
- Step 1: Write the proportion equation
3,860,793.45 : 5,791,190.18 = 1,021,192.65 : x - Step 2: Convert to fraction form
3,860,793.45/5,791,190.18 = 1,021,192.65/x - Step 3: Cross multiply
3,860,793.45x = 5,791,190.18 × 1,021,192.65 - Step 4: Simplify right side
3,860,793.45x = 5,913,920,841,462.21 - Step 5: Solve for x
x = 5,913,920,841,462.21/3,860,793.45 - Step 6: Final answer
x = 1,531,788.98
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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.