Finding the Fourth Proportional to 1,438,074.09, 1,984,540.77 and 793,494.26
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Solution
The fourth proportional to 1,438,074.09, 1,984,540.77 and 793,494.26 is: 1,095,021.27
Step by Step Solution
- Step 1: Write the proportion equation
1,438,074.09 : 1,984,540.77 = 793,494.26 : x - Step 2: Convert to fraction form
1,438,074.09/1,984,540.77 = 793,494.26/x - Step 3: Cross multiply
1,438,074.09x = 1,984,540.77 × 793,494.26 - Step 4: Simplify right side
1,438,074.09x = 1,574,721,709,730.98 - Step 5: Solve for x
x = 1,574,721,709,730.98/1,438,074.09 - Step 6: Final answer
x = 1,095,021.27
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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.