Finding the Fourth Proportional to 2,205,368.21, 3,043,396.61 and 1,238,539.25
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Solution
The fourth proportional to 2,205,368.21, 3,043,396.61 and 1,238,539.25 is: 1,709,177.69
Step by Step Solution
- Step 1: Write the proportion equation
2,205,368.21 : 3,043,396.61 = 1,238,539.25 : x - Step 2: Convert to fraction form
2,205,368.21/3,043,396.61 = 1,238,539.25/x - Step 3: Cross multiply
2,205,368.21x = 3,043,396.61 × 1,238,539.25 - Step 4: Simplify right side
2,205,368.21x = 3,769,366,148,609.25 - Step 5: Solve for x
x = 3,769,366,148,609.25/2,205,368.21 - Step 6: Final answer
x = 1,709,177.69
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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.