Finding the Fourth Proportional to 5,203,032.19, 7,180,376.66 and 2,848,394.99
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Solution
The fourth proportional to 5,203,032.19, 7,180,376.66 and 2,848,394.99 is: 3,930,890.33
Step by Step Solution
- Step 1: Write the proportion equation
5,203,032.19 : 7,180,376.66 = 2,848,394.99 : x - Step 2: Convert to fraction form
5,203,032.19/7,180,376.66 = 2,848,394.99/x - Step 3: Cross multiply
5,203,032.19x = 7,180,376.66 × 2,848,394.99 - Step 4: Simplify right side
5,203,032.19x = 20,452,548,904,656.93 - Step 5: Solve for x
x = 20,452,548,904,656.93/5,203,032.19 - Step 6: Final answer
x = 3,930,890.33
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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.