Finding the Fourth Proportional to 5,206,676.80, 7,183,976.16 and 3,029,902.40
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Solution
The fourth proportional to 5,206,676.80, 7,183,976.16 and 3,029,902.40 is: 4,180,544.99
Step by Step Solution
- Step 1: Write the proportion equation
5,206,676.80 : 7,183,976.16 = 3,029,902.40 : x - Step 2: Convert to fraction form
5,206,676.80/7,183,976.16 = 3,029,902.40/x - Step 3: Cross multiply
5,206,676.80x = 7,183,976.16 × 3,029,902.40 - Step 4: Simplify right side
5,206,676.80x = 21,766,746,608,726.79 - Step 5: Solve for x
x = 21,766,746,608,726.79/5,206,676.80 - Step 6: Final answer
x = 4,180,544.99
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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.