Finding the Fourth Proportional to 3,959,817.84, 5,464,630.44 and 2,240,938.08
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Solution
The fourth proportional to 3,959,817.84, 5,464,630.44 and 2,240,938.08 is: 3,092,540.85
Step by Step Solution
- Step 1: Write the proportion equation
3,959,817.84 : 5,464,630.44 = 2,240,938.08 : x - Step 2: Convert to fraction form
3,959,817.84/5,464,630.44 = 2,240,938.08/x - Step 3: Cross multiply
3,959,817.84x = 5,464,630.44 × 2,240,938.08 - Step 4: Simplify right side
3,959,817.84x = 12,245,898,446,123.16 - Step 5: Solve for x
x = 12,245,898,446,123.16/3,959,817.84 - Step 6: Final answer
x = 3,092,540.85
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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.