Finding the Fourth Proportional to 6,882,176.40, 10,331,137.80 and 4,043,887.80
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Solution
The fourth proportional to 6,882,176.40, 10,331,137.80 and 4,043,887.80 is: 6,070,457.90
Step by Step Solution
- Step 1: Write the proportion equation
6,882,176.40 : 10,331,137.80 = 4,043,887.80 : x - Step 2: Convert to fraction form
6,882,176.40/10,331,137.80 = 4,043,887.80/x - Step 3: Cross multiply
6,882,176.40x = 10,331,137.80 × 4,043,887.80 - Step 4: Simplify right side
6,882,176.40x = 41,777,962,109,538.84 - Step 5: Solve for x
x = 41,777,962,109,538.84/6,882,176.40 - Step 6: Final answer
x = 6,070,457.90
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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.