Finding the Fourth Proportional to 2,282,377.99, 3,149,643.12 and 1,263,760.87
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Solution
The fourth proportional to 2,282,377.99, 3,149,643.12 and 1,263,760.87 is: 1,743,968.68
Step by Step Solution
- Step 1: Write the proportion equation
2,282,377.99 : 3,149,643.12 = 1,263,760.87 : x - Step 2: Convert to fraction form
2,282,377.99/3,149,643.12 = 1,263,760.87/x - Step 3: Cross multiply
2,282,377.99x = 3,149,643.12 × 1,263,760.87 - Step 4: Simplify right side
2,282,377.99x = 3,980,395,729,520.72 - Step 5: Solve for x
x = 3,980,395,729,520.72/2,282,377.99 - Step 6: Final answer
x = 1,743,968.68
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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.