Finding the Fourth Proportional to 6,115,960.64, 8,439,523.60 and 3,600,935.68
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Solution
The fourth proportional to 6,115,960.64, 8,439,523.60 and 3,600,935.68 is: 4,968,995.62
Step by Step Solution
- Step 1: Write the proportion equation
6,115,960.64 : 8,439,523.60 = 3,600,935.68 : x - Step 2: Convert to fraction form
6,115,960.64/8,439,523.60 = 3,600,935.68/x - Step 3: Cross multiply
6,115,960.64x = 8,439,523.60 × 3,600,935.68 - Step 4: Simplify right side
6,115,960.64x = 30,390,181,653,442.05 - Step 5: Solve for x
x = 30,390,181,653,442.05/6,115,960.64 - Step 6: Final answer
x = 4,968,995.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.