Finding the Fourth Proportional to 2,272,441.70, 3,136,035.18 and 1,253,912.06
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Solution
The fourth proportional to 2,272,441.70, 3,136,035.18 and 1,253,912.06 is: 1,730,434.86
Step by Step Solution
- Step 1: Write the proportion equation
2,272,441.70 : 3,136,035.18 = 1,253,912.06 : x - Step 2: Convert to fraction form
2,272,441.70/3,136,035.18 = 1,253,912.06/x - Step 3: Cross multiply
2,272,441.70x = 3,136,035.18 × 1,253,912.06 - Step 4: Simplify right side
2,272,441.70x = 3,932,312,345,328.53 - Step 5: Solve for x
x = 3,932,312,345,328.53/2,272,441.70 - Step 6: Final answer
x = 1,730,434.86
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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.