Finding the Fourth Proportional to 1,994,361.60, 2,991,101.76 and 574,101.12
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Solution
The fourth proportional to 1,994,361.60, 2,991,101.76 and 574,101.12 is: 861,024.84
Step by Step Solution
- Step 1: Write the proportion equation
1,994,361.60 : 2,991,101.76 = 574,101.12 : x - Step 2: Convert to fraction form
1,994,361.60/2,991,101.76 = 574,101.12/x - Step 3: Cross multiply
1,994,361.60x = 2,991,101.76 × 574,101.12 - Step 4: Simplify right side
1,994,361.60x = 1,717,194,870,449.97 - Step 5: Solve for x
x = 1,717,194,870,449.97/1,994,361.60 - Step 6: Final answer
x = 861,024.84
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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.