Finding the Fourth Proportional to 5,348,843.06, 7,381,379.21 and 2,901,455.19
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Solution
The fourth proportional to 5,348,843.06, 7,381,379.21 and 2,901,455.19 is: 4,003,995.03
Step by Step Solution
- Step 1: Write the proportion equation
5,348,843.06 : 7,381,379.21 = 2,901,455.19 : x - Step 2: Convert to fraction form
5,348,843.06/7,381,379.21 = 2,901,455.19/x - Step 3: Cross multiply
5,348,843.06x = 7,381,379.21 × 2,901,455.19 - Step 4: Simplify right side
5,348,843.06x = 21,416,741,003,705.32 - Step 5: Solve for x
x = 21,416,741,003,705.32/5,348,843.06 - Step 6: Final answer
x = 4,003,995.03
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1.5x scale
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.