Finding the Fourth Proportional to 7,979,587.24, 11,971,062.12 and 2,587,817.24
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Solution
The fourth proportional to 7,979,587.24, 11,971,062.12 and 2,587,817.24 is: 3,882,271.11
Step by Step Solution
- Step 1: Write the proportion equation
7,979,587.24 : 11,971,062.12 = 2,587,817.24 : x - Step 2: Convert to fraction form
7,979,587.24/11,971,062.12 = 2,587,817.24/x - Step 3: Cross multiply
7,979,587.24x = 11,971,062.12 × 2,587,817.24 - Step 4: Simplify right side
7,979,587.24x = 30,978,920,999,297.03 - Step 5: Solve for x
x = 30,978,920,999,297.03/7,979,587.24 - Step 6: Final answer
x = 3,882,271.11
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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.