Finding the Fourth Proportional to 1,453,239.98, 2,179,688.66 and 388,364.18
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Solution
The fourth proportional to 1,453,239.98, 2,179,688.66 and 388,364.18 is: 582,500.49
Step by Step Solution
- Step 1: Write the proportion equation
1,453,239.98 : 2,179,688.66 = 388,364.18 : x - Step 2: Convert to fraction form
1,453,239.98/2,179,688.66 = 388,364.18/x - Step 3: Cross multiply
1,453,239.98x = 2,179,688.66 × 388,364.18 - Step 4: Simplify right side
1,453,239.98x = 846,512,999,096.20 - Step 5: Solve for x
x = 846,512,999,096.20/1,453,239.98 - Step 6: Final answer
x = 582,500.49
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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.