Finding the Fourth Proportional to 2,380,968.56, 3,285,760.74 and 1,293,261.42
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Solution
The fourth proportional to 2,380,968.56, 3,285,760.74 and 1,293,261.42 is: 1,784,713.86
Step by Step Solution
- Step 1: Write the proportion equation
2,380,968.56 : 3,285,760.74 = 1,293,261.42 : x - Step 2: Convert to fraction form
2,380,968.56/3,285,760.74 = 1,293,261.42/x - Step 3: Cross multiply
2,380,968.56x = 3,285,760.74 × 1,293,261.42 - Step 4: Simplify right side
2,380,968.56x = 4,249,347,600,392.65 - Step 5: Solve for x
x = 4,249,347,600,392.65/2,380,968.56 - Step 6: Final answer
x = 1,784,713.86
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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.