Finding the Fourth Proportional to 4,983,059.90, 6,877,514.42 and 2,917,954.91
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Solution
The fourth proportional to 4,983,059.90, 6,877,514.42 and 2,917,954.91 is: 4,027,299.97
Step by Step Solution
- Step 1: Write the proportion equation
4,983,059.90 : 6,877,514.42 = 2,917,954.91 : x - Step 2: Convert to fraction form
4,983,059.90/6,877,514.42 = 2,917,954.91/x - Step 3: Cross multiply
4,983,059.90x = 6,877,514.42 × 2,917,954.91 - Step 4: Simplify right side
4,983,059.90x = 20,068,276,970,434.80 - Step 5: Solve for x
x = 20,068,276,970,434.80/4,983,059.90 - Step 6: Final answer
x = 4,027,299.97
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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.