Finding the Fourth Proportional to 5,254,249.76, 7,869,564.48 and 3,199,344.56
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Solution
The fourth proportional to 5,254,249.76, 7,869,564.48 and 3,199,344.56 is: 4,791,825.56
Step by Step Solution
- Step 1: Write the proportion equation
5,254,249.76 : 7,869,564.48 = 3,199,344.56 : x - Step 2: Convert to fraction form
5,254,249.76/7,869,564.48 = 3,199,344.56/x - Step 3: Cross multiply
5,254,249.76x = 7,869,564.48 × 3,199,344.56 - Step 4: Simplify right side
5,254,249.76x = 25,177,448,308,657.23 - Step 5: Solve for x
x = 25,177,448,308,657.23/5,254,249.76 - Step 6: Final answer
x = 4,791,825.56
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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.