Finding the Fourth Proportional to 1,436,515.20, 1,982,391.12 and 824,707.62
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Solution
The fourth proportional to 1,436,515.20, 1,982,391.12 and 824,707.62 is: 1,138,096.60
Step by Step Solution
- Step 1: Write the proportion equation
1,436,515.20 : 1,982,391.12 = 824,707.62 : x - Step 2: Convert to fraction form
1,436,515.20/1,982,391.12 = 824,707.62/x - Step 3: Cross multiply
1,436,515.20x = 1,982,391.12 × 824,707.62 - Step 4: Simplify right side
1,436,515.20x = 1,634,893,062,484.33 - Step 5: Solve for x
x = 1,634,893,062,484.33/1,436,515.20 - Step 6: Final answer
x = 1,138,096.60
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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.