Finding the Fourth Proportional to 1,511,235.20, 2,266,852.80 and 513,963.20
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Solution
The fourth proportional to 1,511,235.20, 2,266,852.80 and 513,963.20 is: 770,944.80
Step by Step Solution
- Step 1: Write the proportion equation
1,511,235.20 : 2,266,852.80 = 513,963.20 : x - Step 2: Convert to fraction form
1,511,235.20/2,266,852.80 = 513,963.20/x - Step 3: Cross multiply
1,511,235.20x = 2,266,852.80 × 513,963.20 - Step 4: Simplify right side
1,511,235.20x = 1,165,078,919,016.96 - Step 5: Solve for x
x = 1,165,078,919,016.96/1,511,235.20 - Step 6: Final answer
x = 770,944.80
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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.