Finding the Fourth Proportional to 1,994,611.88, 2,991,917.68 and 498,703.88
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Solution
The fourth proportional to 1,994,611.88, 2,991,917.68 and 498,703.88 is: 748,055.78
Step by Step Solution
- Step 1: Write the proportion equation
1,994,611.88 : 2,991,917.68 = 498,703.88 : x - Step 2: Convert to fraction form
1,994,611.88/2,991,917.68 = 498,703.88/x - Step 3: Cross multiply
1,994,611.88x = 2,991,917.68 × 498,703.88 - Step 4: Simplify right side
1,994,611.88x = 1,492,080,955,656.60 - Step 5: Solve for x
x = 1,492,080,955,656.60/1,994,611.88 - Step 6: Final answer
x = 748,055.78
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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.