Finding the Fourth Proportional to 5,436,625.98, 7,502,342.07 and 2,989,091.41
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Solution
The fourth proportional to 5,436,625.98, 7,502,342.07 and 2,989,091.41 is: 4,124,835.20
Step by Step Solution
- Step 1: Write the proportion equation
5,436,625.98 : 7,502,342.07 = 2,989,091.41 : x - Step 2: Convert to fraction form
5,436,625.98/7,502,342.07 = 2,989,091.41/x - Step 3: Cross multiply
5,436,625.98x = 7,502,342.07 × 2,989,091.41 - Step 4: Simplify right side
5,436,625.98x = 22,425,186,236,318.62 - Step 5: Solve for x
x = 22,425,186,236,318.62/5,436,625.98 - Step 6: Final answer
x = 4,124,835.20
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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.