Finding the Fourth Proportional to 3,957,896.08, 5,461,907.10 and 2,147,060.08
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Solution
The fourth proportional to 3,957,896.08, 5,461,907.10 and 2,147,060.08 is: 2,962,948.61
Step by Step Solution
- Step 1: Write the proportion equation
3,957,896.08 : 5,461,907.10 = 2,147,060.08 : x - Step 2: Convert to fraction form
3,957,896.08/5,461,907.10 = 2,147,060.08/x - Step 3: Cross multiply
3,957,896.08x = 5,461,907.10 × 2,147,060.08 - Step 4: Simplify right side
3,957,896.08x = 11,727,042,695,078.57 - Step 5: Solve for x
x = 11,727,042,695,078.57/3,957,896.08 - Step 6: Final answer
x = 2,962,948.61
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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.