Finding the Fourth Proportional to 3,608,947.41, 5,413,428.41 and 1,478,649.03
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Solution
The fourth proportional to 3,608,947.41, 5,413,428.41 and 1,478,649.03 is: 2,217,976.53
Step by Step Solution
- Step 1: Write the proportion equation
3,608,947.41 : 5,413,428.41 = 1,478,649.03 : x - Step 2: Convert to fraction form
3,608,947.41/5,413,428.41 = 1,478,649.03/x - Step 3: Cross multiply
3,608,947.41x = 5,413,428.41 × 1,478,649.03 - Step 4: Simplify right side
3,608,947.41x = 8,004,560,660,027.70 - Step 5: Solve for x
x = 8,004,560,660,027.70/3,608,947.41 - Step 6: Final answer
x = 2,217,976.53
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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.