Finding the Fourth Proportional to 1,485,473.40, 2,228,361.11 and 512,711.09
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Solution
The fourth proportional to 1,485,473.40, 2,228,361.11 and 512,711.09 is: 769,118.76
Step by Step Solution
- Step 1: Write the proportion equation
1,485,473.40 : 2,228,361.11 = 512,711.09 : x - Step 2: Convert to fraction form
1,485,473.40/2,228,361.11 = 512,711.09/x - Step 3: Cross multiply
1,485,473.40x = 2,228,361.11 × 512,711.09 - Step 4: Simplify right side
1,485,473.40x = 1,142,505,453,621.71 - Step 5: Solve for x
x = 1,142,505,453,621.71/1,485,473.40 - Step 6: Final answer
x = 769,118.76
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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.