Finding the Fourth Proportional to 1,093,971.15, 1,639,644.53 and 561,217.95
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Solution
The fourth proportional to 1,093,971.15, 1,639,644.53 and 561,217.95 is: 841,153.75
Step by Step Solution
- Step 1: Write the proportion equation
1,093,971.15 : 1,639,644.53 = 561,217.95 : x - Step 2: Convert to fraction form
1,093,971.15/1,639,644.53 = 561,217.95/x - Step 3: Cross multiply
1,093,971.15x = 1,639,644.53 × 561,217.95 - Step 4: Simplify right side
1,093,971.15x = 920,197,939,049.22 - Step 5: Solve for x
x = 920,197,939,049.22/1,093,971.15 - Step 6: Final answer
x = 841,153.75
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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.