Finding the Fourth Proportional to 1,378,579.62, 2,067,967.71 and 367,695.84
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Solution
The fourth proportional to 1,378,579.62, 2,067,967.71 and 367,695.84 is: 551,569.97
Step by Step Solution
- Step 1: Write the proportion equation
1,378,579.62 : 2,067,967.71 = 367,695.84 : x - Step 2: Convert to fraction form
1,378,579.62/2,067,967.71 = 367,695.84/x - Step 3: Cross multiply
1,378,579.62x = 2,067,967.71 × 367,695.84 - Step 4: Simplify right side
1,378,579.62x = 760,383,124,221.33 - Step 5: Solve for x
x = 760,383,124,221.33/1,378,579.62 - Step 6: Final answer
x = 551,569.97
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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.