Finding the Fourth Proportional to 1,478,998.10, 2,212,659.97 and 1,120,202.52
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Solution
The fourth proportional to 1,478,998.10, 2,212,659.97 and 1,120,202.52 is: 1,675,882.66
Step by Step Solution
- Step 1: Write the proportion equation
1,478,998.10 : 2,212,659.97 = 1,120,202.52 : x - Step 2: Convert to fraction form
1,478,998.10/2,212,659.97 = 1,120,202.52/x - Step 3: Cross multiply
1,478,998.10x = 2,212,659.97 × 1,120,202.52 - Step 4: Simplify right side
1,478,998.10x = 2,478,627,274,297.12 - Step 5: Solve for x
x = 2,478,627,274,297.12/1,478,998.10 - Step 6: Final answer
x = 1,675,882.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.