Finding the Fourth Proportional to 5,517,653.20, 8,276,383.20 and 2,482,871.12
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Solution
The fourth proportional to 5,517,653.20, 8,276,383.20 and 2,482,871.12 is: 3,724,263.21
Step by Step Solution
- Step 1: Write the proportion equation
5,517,653.20 : 8,276,383.20 = 2,482,871.12 : x - Step 2: Convert to fraction form
5,517,653.20/8,276,383.20 = 2,482,871.12/x - Step 3: Cross multiply
5,517,653.20x = 8,276,383.20 × 2,482,871.12 - Step 4: Simplify right side
5,517,653.20x = 20,549,192,825,333.18 - Step 5: Solve for x
x = 20,549,192,825,333.18/5,517,653.20 - Step 6: Final answer
x = 3,724,263.21
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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.