Finding the Fourth Proportional to 4,523,671.42, 6,242,729.86 and 2,458,686.38
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Solution
The fourth proportional to 4,523,671.42, 6,242,729.86 and 2,458,686.38 is: 3,393,021.60
Step by Step Solution
- Step 1: Write the proportion equation
4,523,671.42 : 6,242,729.86 = 2,458,686.38 : x - Step 2: Convert to fraction form
4,523,671.42/6,242,729.86 = 2,458,686.38/x - Step 3: Cross multiply
4,523,671.42x = 6,242,729.86 × 2,458,686.38 - Step 4: Simplify right side
4,523,671.42x = 15,348,914,858,430.22 - Step 5: Solve for x
x = 15,348,914,858,430.22/4,523,671.42 - Step 6: Final answer
x = 3,393,021.60
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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.