Finding the Fourth Proportional to 3,110,831.80, 4,666,247.70 and 981,568.60
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Solution
The fourth proportional to 3,110,831.80, 4,666,247.70 and 981,568.60 is: 1,472,352.90
Step by Step Solution
- Step 1: Write the proportion equation
3,110,831.80 : 4,666,247.70 = 981,568.60 : x - Step 2: Convert to fraction form
3,110,831.80/4,666,247.70 = 981,568.60/x - Step 3: Cross multiply
3,110,831.80x = 4,666,247.70 × 981,568.60 - Step 4: Simplify right side
3,110,831.80x = 4,580,242,222,142.22 - Step 5: Solve for x
x = 4,580,242,222,142.22/3,110,831.80 - Step 6: Final answer
x = 1,472,352.90
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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.