Finding the Fourth Proportional to 4,701,936.82, 6,489,382.05 and 2,867,459.26
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Solution
The fourth proportional to 4,701,936.82, 6,489,382.05 and 2,867,459.26 is: 3,957,526.31
Step by Step Solution
- Step 1: Write the proportion equation
4,701,936.82 : 6,489,382.05 = 2,867,459.26 : x - Step 2: Convert to fraction form
4,701,936.82/6,489,382.05 = 2,867,459.26/x - Step 3: Cross multiply
4,701,936.82x = 6,489,382.05 × 2,867,459.26 - Step 4: Simplify right side
4,701,936.82x = 18,608,038,636,707.76 - Step 5: Solve for x
x = 18,608,038,636,707.76/4,701,936.82 - Step 6: Final answer
x = 3,957,526.31
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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.