Finding the Fourth Proportional to 5,175,344.48, 7,142,023.60 and 2,852,319.84
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Solution
The fourth proportional to 5,175,344.48, 7,142,023.60 and 2,852,319.84 is: 3,936,227.95
Step by Step Solution
- Step 1: Write the proportion equation
5,175,344.48 : 7,142,023.60 = 2,852,319.84 : x - Step 2: Convert to fraction form
5,175,344.48/7,142,023.60 = 2,852,319.84/x - Step 3: Cross multiply
5,175,344.48x = 7,142,023.60 × 2,852,319.84 - Step 4: Simplify right side
5,175,344.48x = 20,371,335,612,028.22 - Step 5: Solve for x
x = 20,371,335,612,028.22/5,175,344.48 - Step 6: Final answer
x = 3,936,227.95
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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.