Finding the Fourth Proportional to 5,358,291.36, 7,394,448.52 and 2,910,904.04
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Solution
The fourth proportional to 5,358,291.36, 7,394,448.52 and 2,910,904.04 is: 4,017,051.08
Step by Step Solution
- Step 1: Write the proportion equation
5,358,291.36 : 7,394,448.52 = 2,910,904.04 : x - Step 2: Convert to fraction form
5,358,291.36/7,394,448.52 = 2,910,904.04/x - Step 3: Cross multiply
5,358,291.36x = 7,394,448.52 × 2,910,904.04 - Step 4: Simplify right side
5,358,291.36x = 21,524,530,070,440.02 - Step 5: Solve for x
x = 21,524,530,070,440.02/5,358,291.36 - Step 6: Final answer
x = 4,017,051.08
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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.