Finding the Fourth Proportional to 4,962,733.80, 7,444,100.70 and 4,752,781.80
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Solution
The fourth proportional to 4,962,733.80, 7,444,100.70 and 4,752,781.80 is: 7,129,172.70
Step by Step Solution
- Step 1: Write the proportion equation
4,962,733.80 : 7,444,100.70 = 4,752,781.80 : x - Step 2: Convert to fraction form
4,962,733.80/7,444,100.70 = 4,752,781.80/x - Step 3: Cross multiply
4,962,733.80x = 7,444,100.70 × 4,752,781.80 - Step 4: Simplify right side
4,962,733.80x = 35,380,186,324,327.26 - Step 5: Solve for x
x = 35,380,186,324,327.26/4,962,733.80 - Step 6: Final answer
x = 7,129,172.70
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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.