Finding the Fourth Proportional to 1,428,452.44, 2,142,685.26 and 481,831.48
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Solution
The fourth proportional to 1,428,452.44, 2,142,685.26 and 481,831.48 is: 722,749.45
Step by Step Solution
- Step 1: Write the proportion equation
1,428,452.44 : 2,142,685.26 = 481,831.48 : x - Step 2: Convert to fraction form
1,428,452.44/2,142,685.26 = 481,831.48/x - Step 3: Cross multiply
1,428,452.44x = 2,142,685.26 × 481,831.48 - Step 4: Simplify right side
1,428,452.44x = 1,032,413,209,999.98 - Step 5: Solve for x
x = 1,032,413,209,999.98/1,428,452.44 - Step 6: Final answer
x = 722,749.45
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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.