Finding the Fourth Proportional to 2,045,516.10, 2,822,682.12 and 1,127,695.08
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Solution
The fourth proportional to 2,045,516.10, 2,822,682.12 and 1,127,695.08 is: 1,556,147.49
Step by Step Solution
- Step 1: Write the proportion equation
2,045,516.10 : 2,822,682.12 = 1,127,695.08 : x - Step 2: Convert to fraction form
2,045,516.10/2,822,682.12 = 1,127,695.08/x - Step 3: Cross multiply
2,045,516.10x = 2,822,682.12 × 1,127,695.08 - Step 4: Simplify right side
2,045,516.10x = 3,183,124,739,127.97 - Step 5: Solve for x
x = 3,183,124,739,127.97/2,045,516.10 - Step 6: Final answer
x = 1,556,147.49
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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.