Finding the Fourth Proportional to 3,080,273.20, 4,611,552.45 and 2,991,699.70
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Solution
The fourth proportional to 3,080,273.20, 4,611,552.45 and 2,991,699.70 is: 4,478,946.89
Step by Step Solution
- Step 1: Write the proportion equation
3,080,273.20 : 4,611,552.45 = 2,991,699.70 : x - Step 2: Convert to fraction form
3,080,273.20/4,611,552.45 = 2,991,699.70/x - Step 3: Cross multiply
3,080,273.20x = 4,611,552.45 × 2,991,699.70 - Step 4: Simplify right side
3,080,273.20x = 13,796,380,081,199.27 - Step 5: Solve for x
x = 13,796,380,081,199.27/3,080,273.20 - Step 6: Final answer
x = 4,478,946.89
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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.