Finding the Fourth Proportional to 1,850,450.32, 2,554,326.12 and 1,206,027.28
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Solution
The fourth proportional to 1,850,450.32, 2,554,326.12 and 1,206,027.28 is: 1,664,776.92
Step by Step Solution
- Step 1: Write the proportion equation
1,850,450.32 : 2,554,326.12 = 1,206,027.28 : x - Step 2: Convert to fraction form
1,850,450.32/2,554,326.12 = 1,206,027.28/x - Step 3: Cross multiply
1,850,450.32x = 2,554,326.12 × 1,206,027.28 - Step 4: Simplify right side
1,850,450.32x = 3,080,586,982,736.55 - Step 5: Solve for x
x = 3,080,586,982,736.55/1,850,450.32 - Step 6: Final answer
x = 1,664,776.92
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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.