Finding the Fourth Proportional to 1,608,313.21, 2,219,478.29 and 873,268.58
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Solution
The fourth proportional to 1,608,313.21, 2,219,478.29 and 873,268.58 is: 1,205,113.94
Step by Step Solution
- Step 1: Write the proportion equation
1,608,313.21 : 2,219,478.29 = 873,268.58 : x - Step 2: Convert to fraction form
1,608,313.21/2,219,478.29 = 873,268.58/x - Step 3: Cross multiply
1,608,313.21x = 2,219,478.29 × 873,268.58 - Step 4: Simplify right side
1,608,313.21x = 1,938,200,662,381.00 - Step 5: Solve for x
x = 1,938,200,662,381.00/1,608,313.21 - Step 6: Final answer
x = 1,205,113.94
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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.