Finding the Fourth Proportional to 1,432,118.23, 1,981,527.42 and 1,248,738.93
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Solution
The fourth proportional to 1,432,118.23, 1,981,527.42 and 1,248,738.93 is: 1,727,797.59
Step by Step Solution
- Step 1: Write the proportion equation
1,432,118.23 : 1,981,527.42 = 1,248,738.93 : x - Step 2: Convert to fraction form
1,432,118.23/1,981,527.42 = 1,248,738.93/x - Step 3: Cross multiply
1,432,118.23x = 1,981,527.42 × 1,248,738.93 - Step 4: Simplify right side
1,432,118.23x = 2,474,410,427,875.08 - Step 5: Solve for x
x = 2,474,410,427,875.08/1,432,118.23 - Step 6: Final answer
x = 1,727,797.59
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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.