Finding the Fourth Proportional to 1,419,691.62, 2,126,142.60 and 818,831.22
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Solution
The fourth proportional to 1,419,691.62, 2,126,142.60 and 818,831.22 is: 1,226,288.80
Step by Step Solution
- Step 1: Write the proportion equation
1,419,691.62 : 2,126,142.60 = 818,831.22 : x - Step 2: Convert to fraction form
1,419,691.62/2,126,142.60 = 818,831.22/x - Step 3: Cross multiply
1,419,691.62x = 2,126,142.60 × 818,831.22 - Step 4: Simplify right side
1,419,691.62x = 1,740,951,939,051.97 - Step 5: Solve for x
x = 1,740,951,939,051.97/1,419,691.62 - Step 6: Final answer
x = 1,226,288.80
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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.