Finding the Fourth Proportional to 2,485,718.77, 3,728,578.46 and 780,125.26
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Solution
The fourth proportional to 2,485,718.77, 3,728,578.46 and 780,125.26 is: 1,170,187.98
Step by Step Solution
- Step 1: Write the proportion equation
2,485,718.77 : 3,728,578.46 = 780,125.26 : x - Step 2: Convert to fraction form
2,485,718.77/3,728,578.46 = 780,125.26/x - Step 3: Cross multiply
2,485,718.77x = 3,728,578.46 × 780,125.26 - Step 4: Simplify right side
2,485,718.77x = 2,908,758,227,315.83 - Step 5: Solve for x
x = 2,908,758,227,315.83/2,485,718.77 - Step 6: Final answer
x = 1,170,187.98
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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.