Finding the Fourth Proportional to 2,689,193.13, 4,033,453.91 and 1,090,219.92
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Solution
The fourth proportional to 2,689,193.13, 4,033,453.91 and 1,090,219.92 is: 1,635,193.75
Step by Step Solution
- Step 1: Write the proportion equation
2,689,193.13 : 4,033,453.91 = 1,090,219.92 : x - Step 2: Convert to fraction form
2,689,193.13/4,033,453.91 = 1,090,219.92/x - Step 3: Cross multiply
2,689,193.13x = 4,033,453.91 × 1,090,219.92 - Step 4: Simplify right side
2,689,193.13x = 4,397,351,799,083.89 - Step 5: Solve for x
x = 4,397,351,799,083.89/2,689,193.13 - Step 6: Final answer
x = 1,635,193.75
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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.