Finding the Fourth Proportional to 1,478,997.74, 2,212,659.44 and 1,120,202.16
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Solution
The fourth proportional to 1,478,997.74, 2,212,659.44 and 1,120,202.16 is: 1,675,882.14
Step by Step Solution
- Step 1: Write the proportion equation
1,478,997.74 : 2,212,659.44 = 1,120,202.16 : x - Step 2: Convert to fraction form
1,478,997.74/2,212,659.44 = 1,120,202.16/x - Step 3: Cross multiply
1,478,997.74x = 2,212,659.44 × 1,120,202.16 - Step 4: Simplify right side
1,478,997.74x = 2,478,625,882,632.14 - Step 5: Solve for x
x = 2,478,625,882,632.14/1,478,997.74 - Step 6: Final answer
x = 1,675,882.14
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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.