Finding the Fourth Proportional to 1,608,313.09, 2,219,478.12 and 873,268.46
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Solution
The fourth proportional to 1,608,313.09, 2,219,478.12 and 873,268.46 is: 1,205,113.77
Step by Step Solution
- Step 1: Write the proportion equation
1,608,313.09 : 2,219,478.12 = 873,268.46 : x - Step 2: Convert to fraction form
1,608,313.09/2,219,478.12 = 873,268.46/x - Step 3: Cross multiply
1,608,313.09x = 2,219,478.12 × 873,268.46 - Step 4: Simplify right side
1,608,313.09x = 1,938,200,243,221.62 - Step 5: Solve for x
x = 1,938,200,243,221.62/1,608,313.09 - Step 6: Final answer
x = 1,205,113.77
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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.