Finding the Fourth Proportional to 6,272,977.14, 8,656,857.68 and 3,519,868.25
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Solution
The fourth proportional to 6,272,977.14, 8,656,857.68 and 3,519,868.25 is: 4,857,501.92
Step by Step Solution
- Step 1: Write the proportion equation
6,272,977.14 : 8,656,857.68 = 3,519,868.25 : x - Step 2: Convert to fraction form
6,272,977.14/8,656,857.68 = 3,519,868.25/x - Step 3: Cross multiply
6,272,977.14x = 8,656,857.68 × 3,519,868.25 - Step 4: Simplify right side
6,272,977.14x = 30,470,998,492,600.66 - Step 5: Solve for x
x = 30,470,998,492,600.66/6,272,977.14 - Step 6: Final answer
x = 4,857,501.92
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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.