Finding the Fourth Proportional to 6,432,302.97, 8,876,175.89 and 3,531,675.15
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Solution
The fourth proportional to 6,432,302.97, 8,876,175.89 and 3,531,675.15 is: 4,873,490.87
Step by Step Solution
- Step 1: Write the proportion equation
6,432,302.97 : 8,876,175.89 = 3,531,675.15 : x - Step 2: Convert to fraction form
6,432,302.97/8,876,175.89 = 3,531,675.15/x - Step 3: Cross multiply
6,432,302.97x = 8,876,175.89 × 3,531,675.15 - Step 4: Simplify right side
6,432,302.97x = 31,347,769,800,083.76 - Step 5: Solve for x
x = 31,347,769,800,083.76/6,432,302.97 - Step 6: Final answer
x = 4,873,490.87
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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.