Finding the Fourth Proportional to 3,138,755.12, 4,708,176.42 and 894,893.12
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Solution
The fourth proportional to 3,138,755.12, 4,708,176.42 and 894,893.12 is: 1,342,352.15
Step by Step Solution
- Step 1: Write the proportion equation
3,138,755.12 : 4,708,176.42 = 894,893.12 : x - Step 2: Convert to fraction form
3,138,755.12/4,708,176.42 = 894,893.12/x - Step 3: Cross multiply
3,138,755.12x = 4,708,176.42 × 894,893.12 - Step 4: Simplify right side
3,138,755.12x = 4,213,314,686,004.23 - Step 5: Solve for x
x = 4,213,314,686,004.23/3,138,755.12 - Step 6: Final answer
x = 1,342,352.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.