Finding the Fourth Proportional to 3,992,398.85, 5,986,411.28 and 1,966,187.09
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Solution
The fourth proportional to 3,992,398.85, 5,986,411.28 and 1,966,187.09 is: 2,948,203.58
Step by Step Solution
- Step 1: Write the proportion equation
3,992,398.85 : 5,986,411.28 = 1,966,187.09 : x - Step 2: Convert to fraction form
3,992,398.85/5,986,411.28 = 1,966,187.09/x - Step 3: Cross multiply
3,992,398.85x = 5,986,411.28 × 1,966,187.09 - Step 4: Simplify right side
3,992,398.85x = 11,770,404,564,335.44 - Step 5: Solve for x
x = 11,770,404,564,335.44/3,992,398.85 - Step 6: Final answer
x = 2,948,203.58
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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.