Finding the Fourth Proportional to 7,979,598.08, 11,971,078.37 and 2,587,828.09
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Solution
The fourth proportional to 7,979,598.08, 11,971,078.37 and 2,587,828.09 is: 3,882,287.37
Step by Step Solution
- Step 1: Write the proportion equation
7,979,598.08 : 11,971,078.37 = 2,587,828.09 : x - Step 2: Convert to fraction form
7,979,598.08/11,971,078.37 = 2,587,828.09/x - Step 3: Cross multiply
7,979,598.08x = 11,971,078.37 × 2,587,828.09 - Step 4: Simplify right side
7,979,598.08x = 30,979,092,850,019.29 - Step 5: Solve for x
x = 30,979,092,850,019.29/7,979,598.08 - Step 6: Final answer
x = 3,882,287.37
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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.