Finding the Fourth Proportional to 6,173,163.66, 8,516,135.16 and 3,998,406
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Solution
The fourth proportional to 6,173,163.66, 8,516,135.16 and 3,998,406 is: 5,515,966.82
Step by Step Solution
- Step 1: Write the proportion equation
6,173,163.66 : 8,516,135.16 = 3,998,406 : x - Step 2: Convert to fraction form
6,173,163.66/8,516,135.16 = 3,998,406/x - Step 3: Cross multiply
6,173,163.66x = 8,516,135.16 × 3,998,406 - Step 4: Simplify right side
6,173,163.66x = 34,050,965,920,554.96 - Step 5: Solve for x
x = 34,050,965,920,554.96/6,173,163.66 - Step 6: Final answer
x = 5,515,966.82
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1.5x scale
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.