Finding the Fourth Proportional to 2,772,556.53, 3,825,990.75 and 1,548,618.18
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Solution
The fourth proportional to 2,772,556.53, 3,825,990.75 and 1,548,618.18 is: 2,137,016.42
Step by Step Solution
- Step 1: Write the proportion equation
2,772,556.53 : 3,825,990.75 = 1,548,618.18 : x - Step 2: Convert to fraction form
2,772,556.53/3,825,990.75 = 1,548,618.18/x - Step 3: Cross multiply
2,772,556.53x = 3,825,990.75 × 1,548,618.18 - Step 4: Simplify right side
2,772,556.53x = 5,924,998,831,961.84 - Step 5: Solve for x
x = 5,924,998,831,961.84/2,772,556.53 - Step 6: Final answer
x = 2,137,016.42
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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.