Finding the Fourth Proportional to 7,068,915.97, 10,603,162.54 and 1,951,657.75
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Solution
The fourth proportional to 7,068,915.97, 10,603,162.54 and 1,951,657.75 is: 2,927,428.26
Step by Step Solution
- Step 1: Write the proportion equation
7,068,915.97 : 10,603,162.54 = 1,951,657.75 : x - Step 2: Convert to fraction form
7,068,915.97/10,603,162.54 = 1,951,657.75/x - Step 3: Cross multiply
7,068,915.97x = 10,603,162.54 × 1,951,657.75 - Step 4: Simplify right side
7,068,915.97x = 20,693,744,345,700.68 - Step 5: Solve for x
x = 20,693,744,345,700.68/7,068,915.97 - Step 6: Final answer
x = 2,927,428.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.