Finding the Fourth Proportional to 5,480,620.98, 7,562,414.35 and 3,157,059.63
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Solution
The fourth proportional to 5,480,620.98, 7,562,414.35 and 3,157,059.63 is: 4,356,256.92
Step by Step Solution
- Step 1: Write the proportion equation
5,480,620.98 : 7,562,414.35 = 3,157,059.63 : x - Step 2: Convert to fraction form
5,480,620.98/7,562,414.35 = 3,157,059.63/x - Step 3: Cross multiply
5,480,620.98x = 7,562,414.35 × 3,157,059.63 - Step 4: Simplify right side
5,480,620.98x = 23,874,993,049,717.69 - Step 5: Solve for x
x = 23,874,993,049,717.69/5,480,620.98 - Step 6: Final answer
x = 4,356,256.92
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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.