Finding the Fourth Proportional to 3,726,670.18, 5,142,755.64 and 2,072,806.12
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Solution
The fourth proportional to 3,726,670.18, 5,142,755.64 and 2,072,806.12 is: 2,860,445.08
Step by Step Solution
- Step 1: Write the proportion equation
3,726,670.18 : 5,142,755.64 = 2,072,806.12 : x - Step 2: Convert to fraction form
3,726,670.18/5,142,755.64 = 2,072,806.12/x - Step 3: Cross multiply
3,726,670.18x = 5,142,755.64 × 2,072,806.12 - Step 4: Simplify right side
3,726,670.18x = 10,659,935,364,256.52 - Step 5: Solve for x
x = 10,659,935,364,256.52/3,726,670.18 - Step 6: Final answer
x = 2,860,445.08
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1.5x scale
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.