Finding the Fourth Proportional to 1,605,711.60, 2,215,912.41 and 880,516.08
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Solution
The fourth proportional to 1,605,711.60, 2,215,912.41 and 880,516.08 is: 1,215,128.86
Step by Step Solution
- Step 1: Write the proportion equation
1,605,711.60 : 2,215,912.41 = 880,516.08 : x - Step 2: Convert to fraction form
1,605,711.60/2,215,912.41 = 880,516.08/x - Step 3: Cross multiply
1,605,711.60x = 2,215,912.41 × 880,516.08 - Step 4: Simplify right side
1,605,711.60x = 1,951,146,508,876.55 - Step 5: Solve for x
x = 1,951,146,508,876.55/1,605,711.60 - Step 6: Final answer
x = 1,215,128.86
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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.