Finding the Fourth Proportional to 3,522,028.68, 5,285,410.92 and 1,247,545.44
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Solution
The fourth proportional to 3,522,028.68, 5,285,410.92 and 1,247,545.44 is: 1,872,156.90
Step by Step Solution
- Step 1: Write the proportion equation
3,522,028.68 : 5,285,410.92 = 1,247,545.44 : x - Step 2: Convert to fraction form
3,522,028.68/5,285,410.92 = 1,247,545.44/x - Step 3: Cross multiply
3,522,028.68x = 5,285,410.92 × 1,247,545.44 - Step 4: Simplify right side
3,522,028.68x = 6,593,790,291,772.20 - Step 5: Solve for x
x = 6,593,790,291,772.20/3,522,028.68 - Step 6: Final answer
x = 1,872,156.90
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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.