Finding the Fourth Proportional to 6,322,775.90, 8,725,641.98 and 3,874,914.05
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Solution
The fourth proportional to 6,322,775.90, 8,725,641.98 and 3,874,914.05 is: 5,347,510.84
Step by Step Solution
- Step 1: Write the proportion equation
6,322,775.90 : 8,725,641.98 = 3,874,914.05 : x - Step 2: Convert to fraction form
6,322,775.90/8,725,641.98 = 3,874,914.05/x - Step 3: Cross multiply
6,322,775.90x = 8,725,641.98 × 3,874,914.05 - Step 4: Simplify right side
6,322,775.90x = 33,811,112,640,569.04 - Step 5: Solve for x
x = 33,811,112,640,569.04/6,322,775.90 - Step 6: Final answer
x = 5,347,510.84
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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.