Finding the Fourth Proportional to 1,994,609.88, 2,991,914.70 and 498,701.88
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Solution
The fourth proportional to 1,994,609.88, 2,991,914.70 and 498,701.88 is: 748,052.79
Step by Step Solution
- Step 1: Write the proportion equation
1,994,609.88 : 2,991,914.70 = 498,701.88 : x - Step 2: Convert to fraction form
1,994,609.88/2,991,914.70 = 498,701.88/x - Step 3: Cross multiply
1,994,609.88x = 2,991,914.70 × 498,701.88 - Step 4: Simplify right side
1,994,609.88x = 1,492,073,485,689.64 - Step 5: Solve for x
x = 1,492,073,485,689.64/1,994,609.88 - Step 6: Final answer
x = 748,052.79
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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.