Finding the Fourth Proportional to 3,809,541.27, 5,255,670.45 and 2,177,072.88
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Solution
The fourth proportional to 3,809,541.27, 5,255,670.45 and 2,177,072.88 is: 3,003,505.35
Step by Step Solution
- Step 1: Write the proportion equation
3,809,541.27 : 5,255,670.45 = 2,177,072.88 : x - Step 2: Convert to fraction form
3,809,541.27/5,255,670.45 = 2,177,072.88/x - Step 3: Cross multiply
3,809,541.27x = 5,255,670.45 × 2,177,072.88 - Step 4: Simplify right side
3,809,541.27x = 11,441,977,602,912.40 - Step 5: Solve for x
x = 11,441,977,602,912.40/3,809,541.27 - Step 6: Final answer
x = 3,003,505.35
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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.