Finding the Fourth Proportional to 1,976,568.06, 2,727,956.49 and 1,251,483.18
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Solution
The fourth proportional to 1,976,568.06, 2,727,956.49 and 1,251,483.18 is: 1,727,232.03
Step by Step Solution
- Step 1: Write the proportion equation
1,976,568.06 : 2,727,956.49 = 1,251,483.18 : x - Step 2: Convert to fraction form
1,976,568.06/2,727,956.49 = 1,251,483.18/x - Step 3: Cross multiply
1,976,568.06x = 2,727,956.49 × 1,251,483.18 - Step 4: Simplify right side
1,976,568.06x = 3,413,991,663,006.84 - Step 5: Solve for x
x = 3,413,991,663,006.84/1,976,568.06 - Step 6: Final answer
x = 1,727,232.03
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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.