Finding the Fourth Proportional to 3,161,505.32, 4,743,145.92 and 1,269,575.36
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Solution
The fourth proportional to 3,161,505.32, 4,743,145.92 and 1,269,575.36 is: 1,904,719.61
Step by Step Solution
- Step 1: Write the proportion equation
3,161,505.32 : 4,743,145.92 = 1,269,575.36 : x - Step 2: Convert to fraction form
3,161,505.32/4,743,145.92 = 1,269,575.36/x - Step 3: Cross multiply
3,161,505.32x = 4,743,145.92 × 1,269,575.36 - Step 4: Simplify right side
3,161,505.32x = 6,021,781,188,916.53 - Step 5: Solve for x
x = 6,021,781,188,916.53/3,161,505.32 - Step 6: Final answer
x = 1,904,719.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.