Finding the Fourth Proportional to 2,321,528.97, 3,203,716.68 and 1,289,038.98
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Solution
The fourth proportional to 2,321,528.97, 3,203,716.68 and 1,289,038.98 is: 1,778,877.51
Step by Step Solution
- Step 1: Write the proportion equation
2,321,528.97 : 3,203,716.68 = 1,289,038.98 : x - Step 2: Convert to fraction form
2,321,528.97/3,203,716.68 = 1,289,038.98/x - Step 3: Cross multiply
2,321,528.97x = 3,203,716.68 × 1,289,038.98 - Step 4: Simplify right side
2,321,528.97x = 4,129,715,681,396.19 - Step 5: Solve for x
x = 4,129,715,681,396.19/2,321,528.97 - Step 6: Final answer
x = 1,778,877.51
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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.