Finding the Fourth Proportional to 1,512,520.49, 2,087,251.34 and 824,197.28
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Solution
The fourth proportional to 1,512,520.49, 2,087,251.34 and 824,197.28 is: 1,137,377.56
Step by Step Solution
- Step 1: Write the proportion equation
1,512,520.49 : 2,087,251.34 = 824,197.28 : x - Step 2: Convert to fraction form
1,512,520.49/2,087,251.34 = 824,197.28/x - Step 3: Cross multiply
1,512,520.49x = 2,087,251.34 × 824,197.28 - Step 4: Simplify right side
1,512,520.49x = 1,720,306,862,547.11 - Step 5: Solve for x
x = 1,720,306,862,547.11/1,512,520.49 - Step 6: Final answer
x = 1,137,377.56
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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.