Finding the Fourth Proportional to 3,375,430.75, 4,658,138.18 and 1,847,505.07
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Solution
The fourth proportional to 3,375,430.75, 4,658,138.18 and 1,847,505.07 is: 2,549,580.94
Step by Step Solution
- Step 1: Write the proportion equation
3,375,430.75 : 4,658,138.18 = 1,847,505.07 : x - Step 2: Convert to fraction form
3,375,430.75/4,658,138.18 = 1,847,505.07/x - Step 3: Cross multiply
3,375,430.75x = 4,658,138.18 × 1,847,505.07 - Step 4: Simplify right side
3,375,430.75x = 8,605,933,904,310.57 - Step 5: Solve for x
x = 8,605,933,904,310.57/3,375,430.75 - Step 6: Final answer
x = 2,549,580.94
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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.