Finding the Fourth Proportional to 1,642,518.09, 2,463,783.19 and 505,272.41
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Solution
The fourth proportional to 1,642,518.09, 2,463,783.19 and 505,272.41 is: 757,910.48
Step by Step Solution
- Step 1: Write the proportion equation
1,642,518.09 : 2,463,783.19 = 505,272.41 : x - Step 2: Convert to fraction form
1,642,518.09/2,463,783.19 = 505,272.41/x - Step 3: Cross multiply
1,642,518.09x = 2,463,783.19 × 505,272.41 - Step 4: Simplify right side
1,642,518.09x = 1,244,881,670,128.79 - Step 5: Solve for x
x = 1,244,881,670,128.79/1,642,518.09 - Step 6: Final answer
x = 757,910.48
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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.