Finding the Fourth Proportional to 3,417,315.21, 5,123,441.97 and 2,069,160.93
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Solution
The fourth proportional to 3,417,315.21, 5,123,441.97 and 2,069,160.93 is: 3,102,208.99
Step by Step Solution
- Step 1: Write the proportion equation
3,417,315.21 : 5,123,441.97 = 2,069,160.93 : x - Step 2: Convert to fraction form
3,417,315.21/5,123,441.97 = 2,069,160.93/x - Step 3: Cross multiply
3,417,315.21x = 5,123,441.97 × 2,069,160.93 - Step 4: Simplify right side
3,417,315.21x = 10,601,225,951,446.23 - Step 5: Solve for x
x = 10,601,225,951,446.23/3,417,315.21 - Step 6: Final answer
x = 3,102,208.99
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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.