Finding the Fourth Proportional to 1,512,970.44, 2,087,880.84 and 824,640.18
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Solution
The fourth proportional to 1,512,970.44, 2,087,880.84 and 824,640.18 is: 1,137,993.44
Step by Step Solution
- Step 1: Write the proportion equation
1,512,970.44 : 2,087,880.84 = 824,640.18 : x - Step 2: Convert to fraction form
1,512,970.44/2,087,880.84 = 824,640.18/x - Step 3: Cross multiply
1,512,970.44x = 2,087,880.84 × 824,640.18 - Step 4: Simplify right side
1,512,970.44x = 1,721,750,431,716.15 - Step 5: Solve for x
x = 1,721,750,431,716.15/1,512,970.44 - Step 6: Final answer
x = 1,137,993.44
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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.