Finding the Fourth Proportional to 4,163,345.67, 5,745,636.36 and 2,531,482.80
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Solution
The fourth proportional to 4,163,345.67, 5,745,636.36 and 2,531,482.80 is: 3,493,579.63
Step by Step Solution
- Step 1: Write the proportion equation
4,163,345.67 : 5,745,636.36 = 2,531,482.80 : x - Step 2: Convert to fraction form
4,163,345.67/5,745,636.36 = 2,531,482.80/x - Step 3: Cross multiply
4,163,345.67x = 5,745,636.36 × 2,531,482.80 - Step 4: Simplify right side
4,163,345.67x = 14,544,979,620,394.61 - Step 5: Solve for x
x = 14,544,979,620,394.61/4,163,345.67 - Step 6: Final answer
x = 3,493,579.63
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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.