Finding the Fourth Proportional to 3,901,714.49, 5,384,326.33 and 2,159,387.26
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Solution
The fourth proportional to 3,901,714.49, 5,384,326.33 and 2,159,387.26 is: 2,979,932.47
Step by Step Solution
- Step 1: Write the proportion equation
3,901,714.49 : 5,384,326.33 = 2,159,387.26 : x - Step 2: Convert to fraction form
3,901,714.49/5,384,326.33 = 2,159,387.26/x - Step 3: Cross multiply
3,901,714.49x = 5,384,326.33 × 2,159,387.26 - Step 4: Simplify right side
3,901,714.49x = 11,626,845,700,209.81 - Step 5: Solve for x
x = 11,626,845,700,209.81/3,901,714.49 - Step 6: Final answer
x = 2,979,932.47
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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.