Finding the Fourth Proportional to 2,982,991.21, 4,474,744.65 and 824,015.68
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Solution
The fourth proportional to 2,982,991.21, 4,474,744.65 and 824,015.68 is: 1,236,094.74
Step by Step Solution
- Step 1: Write the proportion equation
2,982,991.21 : 4,474,744.65 = 824,015.68 : x - Step 2: Convert to fraction form
2,982,991.21/4,474,744.65 = 824,015.68/x - Step 3: Cross multiply
2,982,991.21x = 4,474,744.65 × 824,015.68 - Step 4: Simplify right side
2,982,991.21x = 3,687,259,755,596.11 - Step 5: Solve for x
x = 3,687,259,755,596.11/2,982,991.21 - Step 6: Final answer
x = 1,236,094.74
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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.