Finding the Fourth Proportional to 1,883,866.70, 2,599,804.42 and 1,079,206.22
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Solution
The fourth proportional to 1,883,866.70, 2,599,804.42 and 1,079,206.22 is: 1,489,343.75
Step by Step Solution
- Step 1: Write the proportion equation
1,883,866.70 : 2,599,804.42 = 1,079,206.22 : x - Step 2: Convert to fraction form
1,883,866.70/2,599,804.42 = 1,079,206.22/x - Step 3: Cross multiply
1,883,866.70x = 2,599,804.42 × 1,079,206.22 - Step 4: Simplify right side
1,883,866.70x = 2,805,725,100,847.49 - Step 5: Solve for x
x = 2,805,725,100,847.49/1,883,866.70 - Step 6: Final answer
x = 1,489,343.75
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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.