Finding the Fourth Proportional to 3,678,690.80, 5,077,035.24 and 2,228,343.68
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Solution
The fourth proportional to 3,678,690.80, 5,077,035.24 and 2,228,343.68 is: 3,075,381.98
Step by Step Solution
- Step 1: Write the proportion equation
3,678,690.80 : 5,077,035.24 = 2,228,343.68 : x - Step 2: Convert to fraction form
3,678,690.80/5,077,035.24 = 2,228,343.68/x - Step 3: Cross multiply
3,678,690.80x = 5,077,035.24 × 2,228,343.68 - Step 4: Simplify right side
3,678,690.80x = 11,313,379,390,191.29 - Step 5: Solve for x
x = 11,313,379,390,191.29/3,678,690.80 - Step 6: Final answer
x = 3,075,381.98
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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.