Finding the Fourth Proportional to 5,920,137.48, 8,169,789.62 and 3,203,883.48
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Solution
The fourth proportional to 5,920,137.48, 8,169,789.62 and 3,203,883.48 is: 4,421,359.15
Step by Step Solution
- Step 1: Write the proportion equation
5,920,137.48 : 8,169,789.62 = 3,203,883.48 : x - Step 2: Convert to fraction form
5,920,137.48/8,169,789.62 = 3,203,883.48/x - Step 3: Cross multiply
5,920,137.48x = 8,169,789.62 × 3,203,883.48 - Step 4: Simplify right side
5,920,137.48x = 26,175,054,006,603.18 - Step 5: Solve for x
x = 26,175,054,006,603.18/5,920,137.48 - Step 6: Final answer
x = 4,421,359.15
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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.