Finding the Fourth Proportional to 7,328,158.08, 10,992,330.60 and 1,936,761.90
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Solution
The fourth proportional to 7,328,158.08, 10,992,330.60 and 1,936,761.90 is: 2,905,167.56
Step by Step Solution
- Step 1: Write the proportion equation
7,328,158.08 : 10,992,330.60 = 1,936,761.90 : x - Step 2: Convert to fraction form
7,328,158.08/10,992,330.60 = 1,936,761.90/x - Step 3: Cross multiply
7,328,158.08x = 10,992,330.60 × 1,936,761.90 - Step 4: Simplify right side
7,328,158.08x = 21,289,527,098,284.14 - Step 5: Solve for x
x = 21,289,527,098,284.14/7,328,158.08 - Step 6: Final answer
x = 2,905,167.56
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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.