Finding the Fourth Proportional to 1,721,545.68, 2,579,325.90 and 1,208,121.96
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Solution
The fourth proportional to 1,721,545.68, 2,579,325.90 and 1,208,121.96 is: 1,810,082.82
Step by Step Solution
- Step 1: Write the proportion equation
1,721,545.68 : 2,579,325.90 = 1,208,121.96 : x - Step 2: Convert to fraction form
1,721,545.68/2,579,325.90 = 1,208,121.96/x - Step 3: Cross multiply
1,721,545.68x = 2,579,325.90 × 1,208,121.96 - Step 4: Simplify right side
1,721,545.68x = 3,116,140,261,786.76 - Step 5: Solve for x
x = 3,116,140,261,786.76/1,721,545.68 - Step 6: Final answer
x = 1,810,082.82
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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.