Finding the Fourth Proportional to 6,321,511.15, 9,481,198.13 and 1,771,513.54
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Solution
The fourth proportional to 6,321,511.15, 9,481,198.13 and 1,771,513.54 is: 2,656,970.85
Step by Step Solution
- Step 1: Write the proportion equation
6,321,511.15 : 9,481,198.13 = 1,771,513.54 : x - Step 2: Convert to fraction form
6,321,511.15/9,481,198.13 = 1,771,513.54/x - Step 3: Cross multiply
6,321,511.15x = 9,481,198.13 × 1,771,513.54 - Step 4: Simplify right side
6,321,511.15x = 16,796,070,836,800.29 - Step 5: Solve for x
x = 16,796,070,836,800.29/6,321,511.15 - Step 6: Final answer
x = 2,656,970.85
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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.