Finding the Fourth Proportional to 1,925,378.70, 2,656,188.24 and 1,161,007.62
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Solution
The fourth proportional to 1,925,378.70, 2,656,188.24 and 1,161,007.62 is: 1,601,687.39
Step by Step Solution
- Step 1: Write the proportion equation
1,925,378.70 : 2,656,188.24 = 1,161,007.62 : x - Step 2: Convert to fraction form
1,925,378.70/2,656,188.24 = 1,161,007.62/x - Step 3: Cross multiply
1,925,378.70x = 2,656,188.24 × 1,161,007.62 - Step 4: Simplify right side
1,925,378.70x = 3,083,854,786,794.39 - Step 5: Solve for x
x = 3,083,854,786,794.39/1,925,378.70 - Step 6: Final answer
x = 1,601,687.39
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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.