Finding the Fourth Proportional to 5,093,136.71, 7,638,083.44 and 1,680,788.15
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Solution
The fourth proportional to 5,093,136.71, 7,638,083.44 and 1,680,788.15 is: 2,520,647.07
Step by Step Solution
- Step 1: Write the proportion equation
5,093,136.71 : 7,638,083.44 = 1,680,788.15 : x - Step 2: Convert to fraction form
5,093,136.71/7,638,083.44 = 1,680,788.15/x - Step 3: Cross multiply
5,093,136.71x = 7,638,083.44 × 1,680,788.15 - Step 4: Simplify right side
5,093,136.71x = 12,838,000,134,663.24 - Step 5: Solve for x
x = 12,838,000,134,663.24/5,093,136.71 - Step 6: Final answer
x = 2,520,647.07
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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.