Finding the Fourth Proportional to 5,738,777.48, 7,919,417.22 and 3,160,698.14
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Solution
The fourth proportional to 5,738,777.48, 7,919,417.22 and 3,160,698.14 is: 4,361,710.72
Step by Step Solution
- Step 1: Write the proportion equation
5,738,777.48 : 7,919,417.22 = 3,160,698.14 : x - Step 2: Convert to fraction form
5,738,777.48/7,919,417.22 = 3,160,698.14/x - Step 3: Cross multiply
5,738,777.48x = 7,919,417.22 × 3,160,698.14 - Step 4: Simplify right side
5,738,777.48x = 25,030,887,277,137.97 - Step 5: Solve for x
x = 25,030,887,277,137.97/5,738,777.48 - Step 6: Final answer
x = 4,361,710.72
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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.