Finding the Fourth Proportional to 1,538,634.64, 2,305,888.89 and 1,197,489.98
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Solution
The fourth proportional to 1,538,634.64, 2,305,888.89 and 1,197,489.98 is: 1,794,629.32
Step by Step Solution
- Step 1: Write the proportion equation
1,538,634.64 : 2,305,888.89 = 1,197,489.98 : x - Step 2: Convert to fraction form
1,538,634.64/2,305,888.89 = 1,197,489.98/x - Step 3: Cross multiply
1,538,634.64x = 2,305,888.89 × 1,197,489.98 - Step 4: Simplify right side
1,538,634.64x = 2,761,278,832,439.77 - Step 5: Solve for x
x = 2,761,278,832,439.77/1,538,634.64 - Step 6: Final answer
x = 1,794,629.32
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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.