Finding the Fourth Proportional to 5,782,455, 7,979,962.86 and 3,203,894.52
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Solution
The fourth proportional to 5,782,455, 7,979,962.86 and 3,203,894.52 is: 4,421,471.38
Step by Step Solution
- Step 1: Write the proportion equation
5,782,455 : 7,979,962.86 = 3,203,894.52 : x - Step 2: Convert to fraction form
5,782,455/7,979,962.86 = 3,203,894.52/x - Step 3: Cross multiply
5,782,455x = 7,979,962.86 × 3,203,894.52 - Step 4: Simplify right side
5,782,455x = 25,566,959,276,957.53 - Step 5: Solve for x
x = 25,566,959,276,957.53/5,782,455 - Step 6: Final answer
x = 4,421,471.38
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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.