Finding the Fourth Proportional to 1,511,771.99, 2,085,510.42 and 967,471.43
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Solution
The fourth proportional to 1,511,771.99, 2,085,510.42 and 967,471.43 is: 1,334,640.25
Step by Step Solution
- Step 1: Write the proportion equation
1,511,771.99 : 2,085,510.42 = 967,471.43 : x - Step 2: Convert to fraction form
1,511,771.99/2,085,510.42 = 967,471.43/x - Step 3: Cross multiply
1,511,771.99x = 2,085,510.42 × 967,471.43 - Step 4: Simplify right side
1,511,771.99x = 2,017,671,737,889.75 - Step 5: Solve for x
x = 2,017,671,737,889.75/1,511,771.99 - Step 6: Final answer
x = 1,334,640.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.