Finding the Fourth Proportional to 1,436,286.18, 1,982,074.45 and 791,717.14
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Solution
The fourth proportional to 1,436,286.18, 1,982,074.45 and 791,717.14 is: 1,092,569.39
Step by Step Solution
- Step 1: Write the proportion equation
1,436,286.18 : 1,982,074.45 = 791,717.14 : x - Step 2: Convert to fraction form
1,436,286.18/1,982,074.45 = 791,717.14/x - Step 3: Cross multiply
1,436,286.18x = 1,982,074.45 × 791,717.14 - Step 4: Simplify right side
1,436,286.18x = 1,569,242,310,862.49 - Step 5: Solve for x
x = 1,569,242,310,862.49/1,436,286.18 - Step 6: Final answer
x = 1,092,569.39
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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.