Finding the Fourth Proportional to 1,557,549.42, 2,336,313.60 and 838,229.64
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Solution
The fourth proportional to 1,557,549.42, 2,336,313.60 and 838,229.64 is: 1,257,338.79
Step by Step Solution
- Step 1: Write the proportion equation
1,557,549.42 : 2,336,313.60 = 838,229.64 : x - Step 2: Convert to fraction form
1,557,549.42/2,336,313.60 = 838,229.64/x - Step 3: Cross multiply
1,557,549.42x = 2,336,313.60 × 838,229.64 - Step 4: Simplify right side
1,557,549.42x = 1,958,367,307,855.10 - Step 5: Solve for x
x = 1,958,367,307,855.10/1,557,549.42 - Step 6: Final answer
x = 1,257,338.79
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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.