Finding the Fourth Proportional to 1,577,043.82, 2,365,565.49 and 378,966.16
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Solution
The fourth proportional to 1,577,043.82, 2,365,565.49 and 378,966.16 is: 568,449.18
Step by Step Solution
- Step 1: Write the proportion equation
1,577,043.82 : 2,365,565.49 = 378,966.16 : x - Step 2: Convert to fraction form
1,577,043.82/2,365,565.49 = 378,966.16/x - Step 3: Cross multiply
1,577,043.82x = 2,365,565.49 × 378,966.16 - Step 4: Simplify right side
1,577,043.82x = 896,469,269,973.82 - Step 5: Solve for x
x = 896,469,269,973.82/1,577,043.82 - Step 6: Final answer
x = 568,449.18
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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.