Finding the Fourth Proportional to 1,554,571.88, 2,331,919.26 and 432,738.92
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Solution
The fourth proportional to 1,554,571.88, 2,331,919.26 and 432,738.92 is: 649,125.48
Step by Step Solution
- Step 1: Write the proportion equation
1,554,571.88 : 2,331,919.26 = 432,738.92 : x - Step 2: Convert to fraction form
1,554,571.88/2,331,919.26 = 432,738.92/x - Step 3: Cross multiply
1,554,571.88x = 2,331,919.26 × 432,738.92 - Step 4: Simplify right side
1,554,571.88x = 1,009,112,222,099.60 - Step 5: Solve for x
x = 1,009,112,222,099.60/1,554,571.88 - Step 6: Final answer
x = 649,125.48
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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.