Finding the Fourth Proportional to 2,912,571.06, 4,368,852.81 and 782,655.23
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Solution
The fourth proportional to 2,912,571.06, 4,368,852.81 and 782,655.23 is: 1,173,981.82
Step by Step Solution
- Step 1: Write the proportion equation
2,912,571.06 : 4,368,852.81 = 782,655.23 : x - Step 2: Convert to fraction form
2,912,571.06/4,368,852.81 = 782,655.23/x - Step 3: Cross multiply
2,912,571.06x = 4,368,852.81 × 782,655.23 - Step 4: Simplify right side
2,912,571.06x = 3,419,305,479,002.43 - Step 5: Solve for x
x = 3,419,305,479,002.43/2,912,571.06 - Step 6: Final answer
x = 1,173,981.82
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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.