Finding the Fourth Proportional to 1,558,906.40, 2,338,359.60 and 957,918.80
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Solution
The fourth proportional to 1,558,906.40, 2,338,359.60 and 957,918.80 is: 1,436,878.20
Step by Step Solution
- Step 1: Write the proportion equation
1,558,906.40 : 2,338,359.60 = 957,918.80 : x - Step 2: Convert to fraction form
1,558,906.40/2,338,359.60 = 957,918.80/x - Step 3: Cross multiply
1,558,906.40x = 2,338,359.60 × 957,918.80 - Step 4: Simplify right side
1,558,906.40x = 2,239,958,622,000.48 - Step 5: Solve for x
x = 2,239,958,622,000.48/1,558,906.40 - Step 6: Final answer
x = 1,436,878.20
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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.