Finding the Fourth Proportional to 1,438,350.91, 1,984,920.19 and 793,766.49
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Solution
The fourth proportional to 1,438,350.91, 1,984,920.19 and 793,766.49 is: 1,095,395.51
Step by Step Solution
- Step 1: Write the proportion equation
1,438,350.91 : 1,984,920.19 = 793,766.49 : x - Step 2: Convert to fraction form
1,438,350.91/1,984,920.19 = 793,766.49/x - Step 3: Cross multiply
1,438,350.91x = 1,984,920.19 × 793,766.49 - Step 4: Simplify right side
1,438,350.91x = 1,575,563,131,092.45 - Step 5: Solve for x
x = 1,575,563,131,092.45/1,438,350.91 - Step 6: Final answer
x = 1,095,395.51
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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.