Finding the Fourth Proportional to 6,163,900.38, 8,505,720.63 and 3,447,121.50
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Solution
The fourth proportional to 6,163,900.38, 8,505,720.63 and 3,447,121.50 is: 4,756,769.36
Step by Step Solution
- Step 1: Write the proportion equation
6,163,900.38 : 8,505,720.63 = 3,447,121.50 : x - Step 2: Convert to fraction form
6,163,900.38/8,505,720.63 = 3,447,121.50/x - Step 3: Cross multiply
6,163,900.38x = 8,505,720.63 × 3,447,121.50 - Step 4: Simplify right side
6,163,900.38x = 29,320,252,456,666.55 - Step 5: Solve for x
x = 29,320,252,456,666.55/6,163,900.38 - Step 6: Final answer
x = 4,756,769.36
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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.