Finding the Fourth Proportional to 5,414,424.45, 8,121,230.71 and 1,576,276.35
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Solution
The fourth proportional to 5,414,424.45, 8,121,230.71 and 1,576,276.35 is: 2,364,296.34
Step by Step Solution
- Step 1: Write the proportion equation
5,414,424.45 : 8,121,230.71 = 1,576,276.35 : x - Step 2: Convert to fraction form
5,414,424.45/8,121,230.71 = 1,576,276.35/x - Step 3: Cross multiply
5,414,424.45x = 8,121,230.71 × 1,576,276.35 - Step 4: Simplify right side
5,414,424.45x = 12,801,303,912,353.32 - Step 5: Solve for x
x = 12,801,303,912,353.32/5,414,424.45 - Step 6: Final answer
x = 2,364,296.34
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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.