Finding the Fourth Proportional to 4,207,205.80, 5,805,951.78 and 2,396,369.80
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Solution
The fourth proportional to 4,207,205.80, 5,805,951.78 and 2,396,369.80 is: 3,306,994.75
Step by Step Solution
- Step 1: Write the proportion equation
4,207,205.80 : 5,805,951.78 = 2,396,369.80 : x - Step 2: Convert to fraction form
4,207,205.80/5,805,951.78 = 2,396,369.80/x - Step 3: Cross multiply
4,207,205.80x = 5,805,951.78 × 2,396,369.80 - Step 4: Simplify right side
4,207,205.80x = 13,913,207,505,848.24 - Step 5: Solve for x
x = 13,913,207,505,848.24/4,207,205.80 - Step 6: Final answer
x = 3,306,994.75
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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.