Finding the Fourth Proportional to 3,718,078.55, 5,575,936.84 and 1,193,143.31
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Solution
The fourth proportional to 3,718,078.55, 5,575,936.84 and 1,193,143.31 is: 1,789,335.98
Step by Step Solution
- Step 1: Write the proportion equation
3,718,078.55 : 5,575,936.84 = 1,193,143.31 : x - Step 2: Convert to fraction form
3,718,078.55/5,575,936.84 = 1,193,143.31/x - Step 3: Cross multiply
3,718,078.55x = 5,575,936.84 × 1,193,143.31 - Step 4: Simplify right side
3,718,078.55x = 6,652,891,737,628.54 - Step 5: Solve for x
x = 6,652,891,737,628.54/3,718,078.55 - Step 6: Final answer
x = 1,789,335.98
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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.