Finding the Fourth Proportional to 1,512,684.25, 2,087,504.63 and 824,356.31
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Solution
The fourth proportional to 1,512,684.25, 2,087,504.63 and 824,356.31 is: 1,137,611.90
Step by Step Solution
- Step 1: Write the proportion equation
1,512,684.25 : 2,087,504.63 = 824,356.31 : x - Step 2: Convert to fraction form
1,512,684.25/2,087,504.63 = 824,356.31/x - Step 3: Cross multiply
1,512,684.25x = 2,087,504.63 × 824,356.31 - Step 4: Simplify right side
1,512,684.25x = 1,720,847,602,426.75 - Step 5: Solve for x
x = 1,720,847,602,426.75/1,512,684.25 - Step 6: Final answer
x = 1,137,611.90
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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.