Finding the Fourth Proportional to 5,546,988.96, 7,657,201.80 and 3,372,226.56
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Solution
The fourth proportional to 5,546,988.96, 7,657,201.80 and 3,372,226.56 is: 4,655,105.58
Step by Step Solution
- Step 1: Write the proportion equation
5,546,988.96 : 7,657,201.80 = 3,372,226.56 : x - Step 2: Convert to fraction form
5,546,988.96/7,657,201.80 = 3,372,226.56/x - Step 3: Cross multiply
5,546,988.96x = 7,657,201.80 × 3,372,226.56 - Step 4: Simplify right side
5,546,988.96x = 25,821,819,285,239.81 - Step 5: Solve for x
x = 25,821,819,285,239.81/5,546,988.96 - Step 6: Final answer
x = 4,655,105.58
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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.