Finding the Fourth Proportional to 1,438,073.09, 1,984,539.39 and 793,493.26
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Solution
The fourth proportional to 1,438,073.09, 1,984,539.39 and 793,493.26 is: 1,095,019.89
Step by Step Solution
- Step 1: Write the proportion equation
1,438,073.09 : 1,984,539.39 = 793,493.26 : x - Step 2: Convert to fraction form
1,438,073.09/1,984,539.39 = 793,493.26/x - Step 3: Cross multiply
1,438,073.09x = 1,984,539.39 × 793,493.26 - Step 4: Simplify right side
1,438,073.09x = 1,574,718,633,395.60 - Step 5: Solve for x
x = 1,574,718,633,395.60/1,438,073.09 - Step 6: Final answer
x = 1,095,019.89
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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.