Finding the Fourth Proportional to 5,103,015.21, 7,654,533.62 and 4,791,236.49
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Solution
The fourth proportional to 5,103,015.21, 7,654,533.62 and 4,791,236.49 is: 7,186,864.88
Step by Step Solution
- Step 1: Write the proportion equation
5,103,015.21 : 7,654,533.62 = 4,791,236.49 : x - Step 2: Convert to fraction form
5,103,015.21/7,654,533.62 = 4,791,236.49/x - Step 3: Cross multiply
5,103,015.21x = 7,654,533.62 × 4,791,236.49 - Step 4: Simplify right side
5,103,015.21x = 36,674,680,770,119.62 - Step 5: Solve for x
x = 36,674,680,770,119.62/5,103,015.21 - Step 6: Final answer
x = 7,186,864.88
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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.