Finding the Fourth Proportional to 1,867,517.58, 2,802,151.17 and 920,371.62
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Solution
The fourth proportional to 1,867,517.58, 2,802,151.17 and 920,371.62 is: 1,380,988.56
Step by Step Solution
- Step 1: Write the proportion equation
1,867,517.58 : 2,802,151.17 = 920,371.62 : x - Step 2: Convert to fraction form
1,867,517.58/2,802,151.17 = 920,371.62/x - Step 3: Cross multiply
1,867,517.58x = 2,802,151.17 × 920,371.62 - Step 4: Simplify right side
1,867,517.58x = 2,579,020,411,817.80 - Step 5: Solve for x
x = 2,579,020,411,817.80/1,867,517.58 - Step 6: Final answer
x = 1,380,988.56
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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.