Finding the Fourth Proportional to 3,863,485.24, 5,793,915.54 and 1,338,551.08
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Solution
The fourth proportional to 3,863,485.24, 5,793,915.54 and 1,338,551.08 is: 2,007,371.95
Step by Step Solution
- Step 1: Write the proportion equation
3,863,485.24 : 5,793,915.54 = 1,338,551.08 : x - Step 2: Convert to fraction form
3,863,485.24/5,793,915.54 = 1,338,551.08/x - Step 3: Cross multiply
3,863,485.24x = 5,793,915.54 × 1,338,551.08 - Step 4: Simplify right side
3,863,485.24x = 7,755,451,903,495.78 - Step 5: Solve for x
x = 7,755,451,903,495.78/3,863,485.24 - Step 6: Final answer
x = 2,007,371.95
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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.