Finding the Fourth Proportional to 2,165,524.96, 2,988,348.24 and 1,198,657.12
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Solution
The fourth proportional to 2,165,524.96, 2,988,348.24 and 1,198,657.12 is: 1,654,104.64
Step by Step Solution
- Step 1: Write the proportion equation
2,165,524.96 : 2,988,348.24 = 1,198,657.12 : x - Step 2: Convert to fraction form
2,165,524.96/2,988,348.24 = 1,198,657.12/x - Step 3: Cross multiply
2,165,524.96x = 2,988,348.24 × 1,198,657.12 - Step 4: Simplify right side
2,165,524.96x = 3,582,004,894,915.47 - Step 5: Solve for x
x = 3,582,004,894,915.47/2,165,524.96 - Step 6: Final answer
x = 1,654,104.64
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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.