Finding the Fourth Proportional to 1,512,684.63, 2,087,505.17 and 824,356.68
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Solution
The fourth proportional to 1,512,684.63, 2,087,505.17 and 824,356.68 is: 1,137,612.42
Step by Step Solution
- Step 1: Write the proportion equation
1,512,684.63 : 2,087,505.17 = 824,356.68 : x - Step 2: Convert to fraction form
1,512,684.63/2,087,505.17 = 824,356.68/x - Step 3: Cross multiply
1,512,684.63x = 2,087,505.17 × 824,356.68 - Step 4: Simplify right side
1,512,684.63x = 1,720,848,827,302.25 - Step 5: Solve for x
x = 1,720,848,827,302.25/1,512,684.63 - Step 6: Final answer
x = 1,137,612.42
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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.