Finding the Fourth Proportional to 2,543,372.93, 3,509,853.84 and 1,397,527.09
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Solution
The fourth proportional to 2,543,372.93, 3,509,853.84 and 1,397,527.09 is: 1,928,586.94
Step by Step Solution
- Step 1: Write the proportion equation
2,543,372.93 : 3,509,853.84 = 1,397,527.09 : x - Step 2: Convert to fraction form
2,543,372.93/3,509,853.84 = 1,397,527.09/x - Step 3: Cross multiply
2,543,372.93x = 3,509,853.84 × 1,397,527.09 - Step 4: Simplify right side
2,543,372.93x = 4,905,115,814,565.89 - Step 5: Solve for x
x = 4,905,115,814,565.89/2,543,372.93 - Step 6: Final answer
x = 1,928,586.94
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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.