Finding the Fourth Proportional to 5,607,415.30, 8,415,059.55 and 2,414,832.70
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Solution
The fourth proportional to 5,607,415.30, 8,415,059.55 and 2,414,832.70 is: 3,623,944.35
Step by Step Solution
- Step 1: Write the proportion equation
5,607,415.30 : 8,415,059.55 = 2,414,832.70 : x - Step 2: Convert to fraction form
5,607,415.30/8,415,059.55 = 2,414,832.70/x - Step 3: Cross multiply
5,607,415.30x = 8,415,059.55 × 2,414,832.70 - Step 4: Simplify right side
5,607,415.30x = 20,320,960,973,787.29 - Step 5: Solve for x
x = 20,320,960,973,787.29/5,607,415.30 - Step 6: Final answer
x = 3,623,944.35
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1.5x scale
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.