Finding the Fourth Proportional to 2,557,236.29, 3,527,879.07 and 1,563,847.71
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Solution
The fourth proportional to 2,557,236.29, 3,527,879.07 and 1,563,847.71 is: 2,157,432.86
Step by Step Solution
- Step 1: Write the proportion equation
2,557,236.29 : 3,527,879.07 = 1,563,847.71 : x - Step 2: Convert to fraction form
2,557,236.29/3,527,879.07 = 1,563,847.71/x - Step 3: Cross multiply
2,557,236.29x = 3,527,879.07 × 1,563,847.71 - Step 4: Simplify right side
2,557,236.29x = 5,517,065,597,411.31 - Step 5: Solve for x
x = 5,517,065,597,411.31/2,557,236.29 - Step 6: Final answer
x = 2,157,432.86
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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.