Finding the Fourth Proportional to 4,747,705.09, 7,122,161.16 and 1,508,086.98
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Solution
The fourth proportional to 4,747,705.09, 7,122,161.16 and 1,508,086.98 is: 2,262,322.18
Step by Step Solution
- Step 1: Write the proportion equation
4,747,705.09 : 7,122,161.16 = 1,508,086.98 : x - Step 2: Convert to fraction form
4,747,705.09/7,122,161.16 = 1,508,086.98/x - Step 3: Cross multiply
4,747,705.09x = 7,122,161.16 × 1,508,086.98 - Step 4: Simplify right side
4,747,705.09x = 10,740,838,514,857.70 - Step 5: Solve for x
x = 10,740,838,514,857.70/4,747,705.09 - Step 6: Final answer
x = 2,262,322.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.