Finding the Fourth Proportional to 2,186,514, 3,017,243.52 and 1,256,251.68
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Solution
The fourth proportional to 2,186,514, 3,017,243.52 and 1,256,251.68 is: 1,733,543.55
Step by Step Solution
- Step 1: Write the proportion equation
2,186,514 : 3,017,243.52 = 1,256,251.68 : x - Step 2: Convert to fraction form
2,186,514/3,017,243.52 = 1,256,251.68/x - Step 3: Cross multiply
2,186,514x = 3,017,243.52 × 1,256,251.68 - Step 4: Simplify right side
2,186,514x = 3,790,417,240,969.11 - Step 5: Solve for x
x = 3,790,417,240,969.11/2,186,514 - Step 6: Final answer
x = 1,733,543.55
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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.