Finding the Fourth Proportional to 1,994,611.90, 2,991,917.70 and 498,703.90
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Solution
The fourth proportional to 1,994,611.90, 2,991,917.70 and 498,703.90 is: 748,055.81
Step by Step Solution
- Step 1: Write the proportion equation
1,994,611.90 : 2,991,917.70 = 498,703.90 : x - Step 2: Convert to fraction form
1,994,611.90/2,991,917.70 = 498,703.90/x - Step 3: Cross multiply
1,994,611.90x = 2,991,917.70 × 498,703.90 - Step 4: Simplify right side
1,994,611.90x = 1,492,081,025,469.03 - Step 5: Solve for x
x = 1,492,081,025,469.03/1,994,611.90 - Step 6: Final answer
x = 748,055.81
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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.