Finding the Fourth Proportional to 2,888,060.92, 3,986,193.90 and 1,921,231.96
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Solution
The fourth proportional to 2,888,060.92, 3,986,193.90 and 1,921,231.96 is: 2,651,745.70
Step by Step Solution
- Step 1: Write the proportion equation
2,888,060.92 : 3,986,193.90 = 1,921,231.96 : x - Step 2: Convert to fraction form
2,888,060.92/3,986,193.90 = 1,921,231.96/x - Step 3: Cross multiply
2,888,060.92x = 3,986,193.90 × 1,921,231.96 - Step 4: Simplify right side
2,888,060.92x = 7,658,403,119,437.04 - Step 5: Solve for x
x = 7,658,403,119,437.04/2,888,060.92 - Step 6: Final answer
x = 2,651,745.70
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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.