Finding the Fourth Proportional to 1,396,745.97, 1,927,447.29 and 816,022.95
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Solution
The fourth proportional to 1,396,745.97, 1,927,447.29 and 816,022.95 is: 1,126,075.36
Step by Step Solution
- Step 1: Write the proportion equation
1,396,745.97 : 1,927,447.29 = 816,022.95 : x - Step 2: Convert to fraction form
1,396,745.97/1,927,447.29 = 816,022.95/x - Step 3: Cross multiply
1,396,745.97x = 1,927,447.29 × 816,022.95 - Step 4: Simplify right side
1,396,745.97x = 1,572,841,223,555.31 - Step 5: Solve for x
x = 1,572,841,223,555.31/1,396,745.97 - Step 6: Final answer
x = 1,126,075.36
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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.