Finding the Fourth Proportional to 4,812,381, 6,641,087.38 and 2,636,906.48
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Solution
The fourth proportional to 4,812,381, 6,641,087.38 and 2,636,906.48 is: 3,638,931.82
Step by Step Solution
- Step 1: Write the proportion equation
4,812,381 : 6,641,087.38 = 2,636,906.48 : x - Step 2: Convert to fraction form
4,812,381/6,641,087.38 = 2,636,906.48/x - Step 3: Cross multiply
4,812,381x = 6,641,087.38 × 2,636,906.48 - Step 4: Simplify right side
4,812,381x = 17,511,926,346,568.22 - Step 5: Solve for x
x = 17,511,926,346,568.22/4,812,381 - Step 6: Final answer
x = 3,638,931.82
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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.