Finding the Fourth Proportional to 5,754,770.39, 7,941,017.92 and 3,176,285.08
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Solution
The fourth proportional to 5,754,770.39, 7,941,017.92 and 3,176,285.08 is: 4,382,961.44
Step by Step Solution
- Step 1: Write the proportion equation
5,754,770.39 : 7,941,017.92 = 3,176,285.08 : x - Step 2: Convert to fraction form
5,754,770.39/7,941,017.92 = 3,176,285.08/x - Step 3: Cross multiply
5,754,770.39x = 7,941,017.92 × 3,176,285.08 - Step 4: Simplify right side
5,754,770.39x = 25,222,936,739,308.63 - Step 5: Solve for x
x = 25,222,936,739,308.63/5,754,770.39 - Step 6: Final answer
x = 4,382,961.44
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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.