Finding the Fourth Proportional to 5,656,324.03, 7,805,891.42 and 3,078,171.07
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Solution
The fourth proportional to 5,656,324.03, 7,805,891.42 and 3,078,171.07 is: 4,247,965.47
Step by Step Solution
- Step 1: Write the proportion equation
5,656,324.03 : 7,805,891.42 = 3,078,171.07 : x - Step 2: Convert to fraction form
5,656,324.03/7,805,891.42 = 3,078,171.07/x - Step 3: Cross multiply
5,656,324.03x = 7,805,891.42 × 3,078,171.07 - Step 4: Simplify right side
5,656,324.03x = 24,027,869,144,605.22 - Step 5: Solve for x
x = 24,027,869,144,605.22/5,656,324.03 - Step 6: Final answer
x = 4,247,965.47
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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.