Finding the Fourth Proportional to 5,415,618.06, 7,474,376.34 and 3,456,341.46
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Solution
The fourth proportional to 5,415,618.06, 7,474,376.34 and 3,456,341.46 is: 4,770,276.73
Step by Step Solution
- Step 1: Write the proportion equation
5,415,618.06 : 7,474,376.34 = 3,456,341.46 : x - Step 2: Convert to fraction form
5,415,618.06/7,474,376.34 = 3,456,341.46/x - Step 3: Cross multiply
5,415,618.06x = 7,474,376.34 × 3,456,341.46 - Step 4: Simplify right side
5,415,618.06x = 25,833,996,831,585.05 - Step 5: Solve for x
x = 25,833,996,831,585.05/5,415,618.06 - Step 6: Final answer
x = 4,770,276.73
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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.