Finding the Fourth Proportional to 7,979,592.07, 11,971,069.37 and 2,587,822.08
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Solution
The fourth proportional to 7,979,592.07, 11,971,069.37 and 2,587,822.08 is: 3,882,278.36
Step by Step Solution
- Step 1: Write the proportion equation
7,979,592.07 : 11,971,069.37 = 2,587,822.08 : x - Step 2: Convert to fraction form
7,979,592.07/11,971,069.37 = 2,587,822.08/x - Step 3: Cross multiply
7,979,592.07x = 11,971,069.37 × 2,587,822.08 - Step 4: Simplify right side
7,979,592.07x = 30,978,997,636,897.69 - Step 5: Solve for x
x = 30,978,997,636,897.69/7,979,592.07 - Step 6: Final answer
x = 3,882,278.36
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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.