Finding the Fourth Proportional to 1,453,995.80, 2,181,339.30 and 612,114.20
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Solution
The fourth proportional to 1,453,995.80, 2,181,339.30 and 612,114.20 is: 918,316.79
Step by Step Solution
- Step 1: Write the proportion equation
1,453,995.80 : 2,181,339.30 = 612,114.20 : x - Step 2: Convert to fraction form
1,453,995.80/2,181,339.30 = 612,114.20/x - Step 3: Cross multiply
1,453,995.80x = 2,181,339.30 × 612,114.20 - Step 4: Simplify right side
1,453,995.80x = 1,335,228,760,548.06 - Step 5: Solve for x
x = 1,335,228,760,548.06/1,453,995.80 - Step 6: Final answer
x = 918,316.79
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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.