Finding the Fourth Proportional to 1,809,857.36, 2,715,135.96 and 687,838.88
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Solution
The fourth proportional to 1,809,857.36, 2,715,135.96 and 687,838.88 is: 1,031,891.30
Step by Step Solution
- Step 1: Write the proportion equation
1,809,857.36 : 2,715,135.96 = 687,838.88 : x - Step 2: Convert to fraction form
1,809,857.36/2,715,135.96 = 687,838.88/x - Step 3: Cross multiply
1,809,857.36x = 2,715,135.96 × 687,838.88 - Step 4: Simplify right side
1,809,857.36x = 1,867,576,064,198.45 - Step 5: Solve for x
x = 1,867,576,064,198.45/1,809,857.36 - Step 6: Final answer
x = 1,031,891.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.