Finding the Fourth Proportional to 5,286,434.24, 7,929,979.68 and 1,500,213.44
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Solution
The fourth proportional to 5,286,434.24, 7,929,979.68 and 1,500,213.44 is: 2,250,413.33
Step by Step Solution
- Step 1: Write the proportion equation
5,286,434.24 : 7,929,979.68 = 1,500,213.44 : x - Step 2: Convert to fraction form
5,286,434.24/7,929,979.68 = 1,500,213.44/x - Step 3: Cross multiply
5,286,434.24x = 7,929,979.68 × 1,500,213.44 - Step 4: Simplify right side
5,286,434.24x = 11,896,662,094,862.90 - Step 5: Solve for x
x = 11,896,662,094,862.90/5,286,434.24 - Step 6: Final answer
x = 2,250,413.33
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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.