Finding the Fourth Proportional to 6,220,716.17, 8,588,271.11 and 5,530,481.55
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Solution
The fourth proportional to 6,220,716.17, 8,588,271.11 and 5,530,481.55 is: 7,635,338.70
Step by Step Solution
- Step 1: Write the proportion equation
6,220,716.17 : 8,588,271.11 = 5,530,481.55 : x - Step 2: Convert to fraction form
6,220,716.17/8,588,271.11 = 5,530,481.55/x - Step 3: Cross multiply
6,220,716.17x = 8,588,271.11 × 5,530,481.55 - Step 4: Simplify right side
6,220,716.17x = 47,497,274,892,600.62 - Step 5: Solve for x
x = 47,497,274,892,600.62/6,220,716.17 - Step 6: Final answer
x = 7,635,338.70
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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.