Finding the Fourth Proportional to 2,215,769.16, 3,322,472.76 and 1,149,737.88
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Solution
The fourth proportional to 2,215,769.16, 3,322,472.76 and 1,149,737.88 is: 1,723,994.02
Step by Step Solution
- Step 1: Write the proportion equation
2,215,769.16 : 3,322,472.76 = 1,149,737.88 : x - Step 2: Convert to fraction form
2,215,769.16/3,322,472.76 = 1,149,737.88/x - Step 3: Cross multiply
2,215,769.16x = 3,322,472.76 × 1,149,737.88 - Step 4: Simplify right side
2,215,769.16x = 3,819,972,787,440.15 - Step 5: Solve for x
x = 3,819,972,787,440.15/2,215,769.16 - Step 6: Final answer
x = 1,723,994.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.