Finding the Fourth Proportional to 2,777,790.30, 4,167,084.67 and 858,851.09
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Solution
The fourth proportional to 2,777,790.30, 4,167,084.67 and 858,851.09 is: 1,288,400.07
Step by Step Solution
- Step 1: Write the proportion equation
2,777,790.30 : 4,167,084.67 = 858,851.09 : x - Step 2: Convert to fraction form
2,777,790.30/4,167,084.67 = 858,851.09/x - Step 3: Cross multiply
2,777,790.30x = 4,167,084.67 × 858,851.09 - Step 4: Simplify right side
2,777,790.30x = 3,578,905,210,951.79 - Step 5: Solve for x
x = 3,578,905,210,951.79/2,777,790.30 - Step 6: Final answer
x = 1,288,400.07
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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.