Finding the Fourth Proportional to 5,614,533.24, 8,420,921.34 and 1,827,990.60
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Solution
The fourth proportional to 5,614,533.24, 8,420,921.34 and 1,827,990.60 is: 2,741,699.87
Step by Step Solution
- Step 1: Write the proportion equation
5,614,533.24 : 8,420,921.34 = 1,827,990.60 : x - Step 2: Convert to fraction form
5,614,533.24/8,420,921.34 = 1,827,990.60/x - Step 3: Cross multiply
5,614,533.24x = 8,420,921.34 × 1,827,990.60 - Step 4: Simplify right side
5,614,533.24x = 15,393,365,052,859.40 - Step 5: Solve for x
x = 15,393,365,052,859.40/5,614,533.24 - Step 6: Final answer
x = 2,741,699.87
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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.