Finding the Fourth Proportional to 3,696,511.20, 5,540,619.60 and 1,566,232.80
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Solution
The fourth proportional to 3,696,511.20, 5,540,619.60 and 1,566,232.80 is: 2,347,592.01
Step by Step Solution
- Step 1: Write the proportion equation
3,696,511.20 : 5,540,619.60 = 1,566,232.80 : x - Step 2: Convert to fraction form
3,696,511.20/5,540,619.60 = 1,566,232.80/x - Step 3: Cross multiply
3,696,511.20x = 5,540,619.60 × 1,566,232.80 - Step 4: Simplify right side
3,696,511.20x = 8,677,900,149,842.88 - Step 5: Solve for x
x = 8,677,900,149,842.88/3,696,511.20 - Step 6: Final answer
x = 2,347,592.01
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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.