Finding the Fourth Proportional to 1,393,681.40, 2,091,213.30 and 795,102.20
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Solution
The fourth proportional to 1,393,681.40, 2,091,213.30 and 795,102.20 is: 1,193,047.63
Step by Step Solution
- Step 1: Write the proportion equation
1,393,681.40 : 2,091,213.30 = 795,102.20 : x - Step 2: Convert to fraction form
1,393,681.40/2,091,213.30 = 795,102.20/x - Step 3: Cross multiply
1,393,681.40x = 2,091,213.30 × 795,102.20 - Step 4: Simplify right side
1,393,681.40x = 1,662,728,295,499.26 - Step 5: Solve for x
x = 1,662,728,295,499.26/1,393,681.40 - Step 6: Final answer
x = 1,193,047.63
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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.