Finding the Fourth Proportional to 4,473,051.22, 6,171,990.70 and 2,638,083.70
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Solution
The fourth proportional to 4,473,051.22, 6,171,990.70 and 2,638,083.70 is: 3,640,071.90
Step by Step Solution
- Step 1: Write the proportion equation
4,473,051.22 : 6,171,990.70 = 2,638,083.70 : x - Step 2: Convert to fraction form
4,473,051.22/6,171,990.70 = 2,638,083.70/x - Step 3: Cross multiply
4,473,051.22x = 6,171,990.70 × 2,638,083.70 - Step 4: Simplify right side
4,473,051.22x = 16,282,228,062,221.59 - Step 5: Solve for x
x = 16,282,228,062,221.59/4,473,051.22 - Step 6: Final answer
x = 3,640,071.90
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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.