Finding the Fourth Proportional to 5,452,026.48, 7,523,826.42 and 3,128,734.26
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Solution
The fourth proportional to 5,452,026.48, 7,523,826.42 and 3,128,734.26 is: 4,317,670.43
Step by Step Solution
- Step 1: Write the proportion equation
5,452,026.48 : 7,523,826.42 = 3,128,734.26 : x - Step 2: Convert to fraction form
5,452,026.48/7,523,826.42 = 3,128,734.26/x - Step 3: Cross multiply
5,452,026.48x = 7,523,826.42 × 3,128,734.26 - Step 4: Simplify right side
5,452,026.48x = 23,540,053,505,356.71 - Step 5: Solve for x
x = 23,540,053,505,356.71/5,452,026.48 - Step 6: Final answer
x = 4,317,670.43
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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.