Finding the Fourth Proportional to 1,504,888.68, 2,076,771.78 and 825,888.36
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Solution
The fourth proportional to 1,504,888.68, 2,076,771.78 and 825,888.36 is: 1,139,739.88
Step by Step Solution
- Step 1: Write the proportion equation
1,504,888.68 : 2,076,771.78 = 825,888.36 : x - Step 2: Convert to fraction form
1,504,888.68/2,076,771.78 = 825,888.36/x - Step 3: Cross multiply
1,504,888.68x = 2,076,771.78 × 825,888.36 - Step 4: Simplify right side
1,504,888.68x = 1,715,181,639,478.48 - Step 5: Solve for x
x = 1,715,181,639,478.48/1,504,888.68 - Step 6: Final answer
x = 1,139,739.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.