Finding the Fourth Proportional to 3,608,715.84, 5,413,571.28 and 1,212,746.10
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Solution
The fourth proportional to 3,608,715.84, 5,413,571.28 and 1,212,746.10 is: 1,819,286.35
Step by Step Solution
- Step 1: Write the proportion equation
3,608,715.84 : 5,413,571.28 = 1,212,746.10 : x - Step 2: Convert to fraction form
3,608,715.84/5,413,571.28 = 1,212,746.10/x - Step 3: Cross multiply
3,608,715.84x = 5,413,571.28 × 1,212,746.10 - Step 4: Simplify right side
3,608,715.84x = 6,565,287,456,892.01 - Step 5: Solve for x
x = 6,565,287,456,892.01/3,608,715.84 - Step 6: Final answer
x = 1,819,286.35
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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.