Finding the Fourth Proportional to 5,665,318.08, 8,491,794.12 and 2,788,664.64
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Solution
The fourth proportional to 5,665,318.08, 8,491,794.12 and 2,788,664.64 is: 4,179,953.47
Step by Step Solution
- Step 1: Write the proportion equation
5,665,318.08 : 8,491,794.12 = 2,788,664.64 : x - Step 2: Convert to fraction form
5,665,318.08/8,491,794.12 = 2,788,664.64/x - Step 3: Cross multiply
5,665,318.08x = 8,491,794.12 × 2,788,664.64 - Step 4: Simplify right side
5,665,318.08x = 23,680,765,992,603.91 - Step 5: Solve for x
x = 23,680,765,992,603.91/5,665,318.08 - Step 6: Final answer
x = 4,179,953.47
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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.