Finding the Fourth Proportional to 2,282,381.99, 3,149,648.64 and 1,263,764.87
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Solution
The fourth proportional to 2,282,381.99, 3,149,648.64 and 1,263,764.87 is: 1,743,974.20
Step by Step Solution
- Step 1: Write the proportion equation
2,282,381.99 : 3,149,648.64 = 1,263,764.87 : x - Step 2: Convert to fraction form
2,282,381.99/3,149,648.64 = 1,263,764.87/x - Step 3: Cross multiply
2,282,381.99x = 3,149,648.64 × 1,263,764.87 - Step 4: Simplify right side
2,282,381.99x = 3,980,415,304,075.28 - Step 5: Solve for x
x = 3,980,415,304,075.28/2,282,381.99 - Step 6: Final answer
x = 1,743,974.20
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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.