Finding the Fourth Proportional to 1,548,015.82, 2,136,282.79 and 859,732.09
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Solution
The fourth proportional to 1,548,015.82, 2,136,282.79 and 859,732.09 is: 1,186,441.92
Step by Step Solution
- Step 1: Write the proportion equation
1,548,015.82 : 2,136,282.79 = 859,732.09 : x - Step 2: Convert to fraction form
1,548,015.82/2,136,282.79 = 859,732.09/x - Step 3: Cross multiply
1,548,015.82x = 2,136,282.79 × 859,732.09 - Step 4: Simplify right side
1,548,015.82x = 1,836,630,867,877.73 - Step 5: Solve for x
x = 1,836,630,867,877.73/1,548,015.82 - Step 6: Final answer
x = 1,186,441.92
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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.