Finding the Fourth Proportional to 3,736,701.97, 5,156,664.51 and 2,105,128.87
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Solution
The fourth proportional to 3,736,701.97, 5,156,664.51 and 2,105,128.87 is: 2,905,086.74
Step by Step Solution
- Step 1: Write the proportion equation
3,736,701.97 : 5,156,664.51 = 2,105,128.87 : x - Step 2: Convert to fraction form
3,736,701.97/5,156,664.51 = 2,105,128.87/x - Step 3: Cross multiply
3,736,701.97x = 5,156,664.51 × 2,105,128.87 - Step 4: Simplify right side
3,736,701.97x = 10,855,443,332,905.40 - Step 5: Solve for x
x = 10,855,443,332,905.40/3,736,701.97 - Step 6: Final answer
x = 2,905,086.74
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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.