Finding the Fourth Proportional to 5,253,677.23, 7,879,863.58 and 1,415,799.73
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Solution
The fourth proportional to 5,253,677.23, 7,879,863.58 and 1,415,799.73 is: 2,123,523.82
Step by Step Solution
- Step 1: Write the proportion equation
5,253,677.23 : 7,879,863.58 = 1,415,799.73 : x - Step 2: Convert to fraction form
5,253,677.23/7,879,863.58 = 1,415,799.73/x - Step 3: Cross multiply
5,253,677.23x = 7,879,863.58 × 1,415,799.73 - Step 4: Simplify right side
5,253,677.23x = 11,156,308,729,000.83 - Step 5: Solve for x
x = 11,156,308,729,000.83/5,253,677.23 - Step 6: Final answer
x = 2,123,523.82
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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.