Finding the Fourth Proportional to 7,068,914.97, 10,603,161.05 and 1,951,656.75
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Solution
The fourth proportional to 7,068,914.97, 10,603,161.05 and 1,951,656.75 is: 2,927,426.76
Step by Step Solution
- Step 1: Write the proportion equation
7,068,914.97 : 10,603,161.05 = 1,951,656.75 : x - Step 2: Convert to fraction form
7,068,914.97/10,603,161.05 = 1,951,656.75/x - Step 3: Cross multiply
7,068,914.97x = 10,603,161.05 × 1,951,656.75 - Step 4: Simplify right side
7,068,914.97x = 20,693,730,824,811.30 - Step 5: Solve for x
x = 20,693,730,824,811.30/7,068,914.97 - Step 6: Final answer
x = 2,927,426.76
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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.