Finding the Fourth Proportional to 1,968,236.88, 2,716,176.60 and 1,108,810.68
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Solution
The fourth proportional to 1,968,236.88, 2,716,176.60 and 1,108,810.68 is: 1,530,164.21
Step by Step Solution
- Step 1: Write the proportion equation
1,968,236.88 : 2,716,176.60 = 1,108,810.68 : x - Step 2: Convert to fraction form
1,968,236.88/2,716,176.60 = 1,108,810.68/x - Step 3: Cross multiply
1,968,236.88x = 2,716,176.60 × 1,108,810.68 - Step 4: Simplify right side
1,968,236.88x = 3,011,725,622,846.09 - Step 5: Solve for x
x = 3,011,725,622,846.09/1,968,236.88 - Step 6: Final answer
x = 1,530,164.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.