Finding the Fourth Proportional to 1,687,816.36, 2,531,946.99 and 550,179.96
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Solution
The fourth proportional to 1,687,816.36, 2,531,946.99 and 550,179.96 is: 825,342.45
Step by Step Solution
- Step 1: Write the proportion equation
1,687,816.36 : 2,531,946.99 = 550,179.96 : x - Step 2: Convert to fraction form
1,687,816.36/2,531,946.99 = 550,179.96/x - Step 3: Cross multiply
1,687,816.36x = 2,531,946.99 × 550,179.96 - Step 4: Simplify right side
1,687,816.36x = 1,393,026,493,680.32 - Step 5: Solve for x
x = 1,393,026,493,680.32/1,687,816.36 - Step 6: Final answer
x = 825,342.45
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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.