Finding the Fourth Proportional to 7,820,272.72, 11,732,245.08 and 2,428,644.88
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Solution
The fourth proportional to 7,820,272.72, 11,732,245.08 and 2,428,644.88 is: 3,643,537.50
Step by Step Solution
- Step 1: Write the proportion equation
7,820,272.72 : 11,732,245.08 = 2,428,644.88 : x - Step 2: Convert to fraction form
7,820,272.72/11,732,245.08 = 2,428,644.88/x - Step 3: Cross multiply
7,820,272.72x = 11,732,245.08 × 2,428,644.88 - Step 4: Simplify right side
7,820,272.72x = 28,493,456,944,447.19 - Step 5: Solve for x
x = 28,493,456,944,447.19/7,820,272.72 - Step 6: Final answer
x = 3,643,537.50
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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.