Finding the Fourth Proportional to 5,344,163.40, 8,016,245.10 and 1,557,769.80
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Solution
The fourth proportional to 5,344,163.40, 8,016,245.10 and 1,557,769.80 is: 2,336,654.70
Step by Step Solution
- Step 1: Write the proportion equation
5,344,163.40 : 8,016,245.10 = 1,557,769.80 : x - Step 2: Convert to fraction form
5,344,163.40/8,016,245.10 = 1,557,769.80/x - Step 3: Cross multiply
5,344,163.40x = 8,016,245.10 × 1,557,769.80 - Step 4: Simplify right side
5,344,163.40x = 12,487,464,526,177.98 - Step 5: Solve for x
x = 12,487,464,526,177.98/5,344,163.40 - Step 6: Final answer
x = 2,336,654.70
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1.5x scale
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.