Finding the Fourth Proportional to 5,305,620.48, 7,321,495.68 and 3,013,480.32
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Solution
The fourth proportional to 5,305,620.48, 7,321,495.68 and 3,013,480.32 is: 4,158,454.84
Step by Step Solution
- Step 1: Write the proportion equation
5,305,620.48 : 7,321,495.68 = 3,013,480.32 : x - Step 2: Convert to fraction form
5,305,620.48/7,321,495.68 = 3,013,480.32/x - Step 3: Cross multiply
5,305,620.48x = 7,321,495.68 × 3,013,480.32 - Step 4: Simplify right side
5,305,620.48x = 22,063,183,144,645.02 - Step 5: Solve for x
x = 22,063,183,144,645.02/5,305,620.48 - Step 6: Final answer
x = 4,158,454.84
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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.