Finding the Fourth Proportional to 6,102,091.98, 8,420,330.37 and 3,620,885.12
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Solution
The fourth proportional to 6,102,091.98, 8,420,330.37 and 3,620,885.12 is: 4,996,491.21
Step by Step Solution
- Step 1: Write the proportion equation
6,102,091.98 : 8,420,330.37 = 3,620,885.12 : x - Step 2: Convert to fraction form
6,102,091.98/8,420,330.37 = 3,620,885.12/x - Step 3: Cross multiply
6,102,091.98x = 8,420,330.37 × 3,620,885.12 - Step 4: Simplify right side
6,102,091.98x = 30,489,048,942,217.09 - Step 5: Solve for x
x = 30,489,048,942,217.09/6,102,091.98 - Step 6: Final answer
x = 4,996,491.21
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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.