Finding the Fourth Proportional to 3,413,218.70, 5,120,187.90 and 1,137,950.02
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Solution
The fourth proportional to 3,413,218.70, 5,120,187.90 and 1,137,950.02 is: 1,707,044.99
Step by Step Solution
- Step 1: Write the proportion equation
3,413,218.70 : 5,120,187.90 = 1,137,950.02 : x - Step 2: Convert to fraction form
3,413,218.70/5,120,187.90 = 1,137,950.02/x - Step 3: Cross multiply
3,413,218.70x = 5,120,187.90 × 1,137,950.02 - Step 4: Simplify right side
3,413,218.70x = 5,826,517,896,540.62 - Step 5: Solve for x
x = 5,826,517,896,540.62/3,413,218.70 - Step 6: Final answer
x = 1,707,044.99
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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.