Finding the Fourth Proportional to 1,912,076.24, 2,638,562.33 and 1,096,240.19
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Solution
The fourth proportional to 1,912,076.24, 2,638,562.33 and 1,096,240.19 is: 1,512,752.48
Step by Step Solution
- Step 1: Write the proportion equation
1,912,076.24 : 2,638,562.33 = 1,096,240.19 : x - Step 2: Convert to fraction form
1,912,076.24/2,638,562.33 = 1,096,240.19/x - Step 3: Cross multiply
1,912,076.24x = 2,638,562.33 × 1,096,240.19 - Step 4: Simplify right side
1,912,076.24x = 2,892,498,064,484.84 - Step 5: Solve for x
x = 2,892,498,064,484.84/1,912,076.24 - Step 6: Final answer
x = 1,512,752.48
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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.