Finding the Fourth Proportional to 5,713,523.76, 7,884,641.16 and 3,135,247.68
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Solution
The fourth proportional to 5,713,523.76, 7,884,641.16 and 3,135,247.68 is: 4,326,629.93
Step by Step Solution
- Step 1: Write the proportion equation
5,713,523.76 : 7,884,641.16 = 3,135,247.68 : x - Step 2: Convert to fraction form
5,713,523.76/7,884,641.16 = 3,135,247.68/x - Step 3: Cross multiply
5,713,523.76x = 7,884,641.16 × 3,135,247.68 - Step 4: Simplify right side
5,713,523.76x = 24,720,302,904,522.51 - Step 5: Solve for x
x = 24,720,302,904,522.51/5,713,523.76 - Step 6: Final answer
x = 4,326,629.93
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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.