Finding the Fourth Proportional to 2,467,028.31, 3,402,614.09 and 2,123,439.68
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Solution
The fourth proportional to 2,467,028.31, 3,402,614.09 and 2,123,439.68 is: 2,928,724.31
Step by Step Solution
- Step 1: Write the proportion equation
2,467,028.31 : 3,402,614.09 = 2,123,439.68 : x - Step 2: Convert to fraction form
2,467,028.31/3,402,614.09 = 2,123,439.68/x - Step 3: Cross multiply
2,467,028.31x = 3,402,614.09 × 2,123,439.68 - Step 4: Simplify right side
2,467,028.31x = 7,225,245,774,433.09 - Step 5: Solve for x
x = 7,225,245,774,433.09/2,467,028.31 - Step 6: Final answer
x = 2,928,724.31
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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.