Finding the Fourth Proportional to 5,086,648.18, 7,017,838.41 and 3,152,202.94
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Solution
The fourth proportional to 5,086,648.18, 7,017,838.41 and 3,152,202.94 is: 4,348,964.21
Step by Step Solution
- Step 1: Write the proportion equation
5,086,648.18 : 7,017,838.41 = 3,152,202.94 : x - Step 2: Convert to fraction form
5,086,648.18/7,017,838.41 = 3,152,202.94/x - Step 3: Cross multiply
5,086,648.18x = 7,017,838.41 × 3,152,202.94 - Step 4: Simplify right side
5,086,648.18x = 22,121,650,868,446.93 - Step 5: Solve for x
x = 22,121,650,868,446.93/5,086,648.18 - Step 6: Final answer
x = 4,348,964.21
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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.