Finding the Fourth Proportional to 2,311,940.96, 3,190,404.48 and 1,293,323.84
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Solution
The fourth proportional to 2,311,940.96, 3,190,404.48 and 1,293,323.84 is: 1,784,745.48
Step by Step Solution
- Step 1: Write the proportion equation
2,311,940.96 : 3,190,404.48 = 1,293,323.84 : x - Step 2: Convert to fraction form
2,311,940.96/3,190,404.48 = 1,293,323.84/x - Step 3: Cross multiply
2,311,940.96x = 3,190,404.48 × 1,293,323.84 - Step 4: Simplify right side
2,311,940.96x = 4,126,226,173,226.80 - Step 5: Solve for x
x = 4,126,226,173,226.80/2,311,940.96 - Step 6: Final answer
x = 1,784,745.48
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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.