Finding the Fourth Proportional to 4,014,175.36, 5,539,469.52 and 2,178,636.88
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Solution
The fourth proportional to 4,014,175.36, 5,539,469.52 and 2,178,636.88 is: 3,006,468.70
Step by Step Solution
- Step 1: Write the proportion equation
4,014,175.36 : 5,539,469.52 = 2,178,636.88 : x - Step 2: Convert to fraction form
4,014,175.36/5,539,469.52 = 2,178,636.88/x - Step 3: Cross multiply
4,014,175.36x = 5,539,469.52 × 2,178,636.88 - Step 4: Simplify right side
4,014,175.36x = 12,068,492,591,907.90 - Step 5: Solve for x
x = 12,068,492,591,907.90/4,014,175.36 - Step 6: Final answer
x = 3,006,468.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.