Finding the Fourth Proportional to 4,570,638.12, 6,307,439.49 and 2,505,771.54
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Solution
The fourth proportional to 4,570,638.12, 6,307,439.49 and 2,505,771.54 is: 3,457,942.18
Step by Step Solution
- Step 1: Write the proportion equation
4,570,638.12 : 6,307,439.49 = 2,505,771.54 : x - Step 2: Convert to fraction form
4,570,638.12/6,307,439.49 = 2,505,771.54/x - Step 3: Cross multiply
4,570,638.12x = 6,307,439.49 × 2,505,771.54 - Step 4: Simplify right side
4,570,638.12x = 15,805,002,364,314.12 - Step 5: Solve for x
x = 15,805,002,364,314.12/4,570,638.12 - Step 6: Final answer
x = 3,457,942.18
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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.