Finding the Fourth Proportional to 4,149,383.76, 5,726,557.78 and 2,517,663.06
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Solution
The fourth proportional to 4,149,383.76, 5,726,557.78 and 2,517,663.06 is: 3,474,622.69
Step by Step Solution
- Step 1: Write the proportion equation
4,149,383.76 : 5,726,557.78 = 2,517,663.06 : x - Step 2: Convert to fraction form
4,149,383.76/5,726,557.78 = 2,517,663.06/x - Step 3: Cross multiply
4,149,383.76x = 5,726,557.78 × 2,517,663.06 - Step 4: Simplify right side
4,149,383.76x = 14,417,542,977,367.45 - Step 5: Solve for x
x = 14,417,542,977,367.45/4,149,383.76 - Step 6: Final answer
x = 3,474,622.69
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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.