Finding the Fourth Proportional to 1,817,163.70, 2,722,793.10 and 1,516,013.80
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Solution
The fourth proportional to 1,817,163.70, 2,722,793.10 and 1,516,013.80 is: 2,271,557.55
Step by Step Solution
- Step 1: Write the proportion equation
1,817,163.70 : 2,722,793.10 = 1,516,013.80 : x - Step 2: Convert to fraction form
1,817,163.70/2,722,793.10 = 1,516,013.80/x - Step 3: Cross multiply
1,817,163.70x = 2,722,793.10 × 1,516,013.80 - Step 4: Simplify right side
1,817,163.70x = 4,127,791,914,144.78 - Step 5: Solve for x
x = 4,127,791,914,144.78/1,817,163.70 - Step 6: Final answer
x = 2,271,557.55
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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.