Finding the Fourth Proportional to 1,372,982.49, 2,059,381.38 and 474,436.53
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Solution
The fourth proportional to 1,372,982.49, 2,059,381.38 and 474,436.53 is: 711,622.88
Step by Step Solution
- Step 1: Write the proportion equation
1,372,982.49 : 2,059,381.38 = 474,436.53 : x - Step 2: Convert to fraction form
1,372,982.49/2,059,381.38 = 474,436.53/x - Step 3: Cross multiply
1,372,982.49x = 2,059,381.38 × 474,436.53 - Step 4: Simplify right side
1,372,982.49x = 977,045,755,873.81 - Step 5: Solve for x
x = 977,045,755,873.81/1,372,982.49 - Step 6: Final answer
x = 711,622.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.