Finding the Fourth Proportional to 1,921,198.19, 2,652,490.46 and 1,233,167.99
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Solution
The fourth proportional to 1,921,198.19, 2,652,490.46 and 1,233,167.99 is: 1,702,565.80
Step by Step Solution
- Step 1: Write the proportion equation
1,921,198.19 : 2,652,490.46 = 1,233,167.99 : x - Step 2: Convert to fraction form
1,921,198.19/2,652,490.46 = 1,233,167.99/x - Step 3: Cross multiply
1,921,198.19x = 2,652,490.46 × 1,233,167.99 - Step 4: Simplify right side
1,921,198.19x = 3,270,966,318,872.84 - Step 5: Solve for x
x = 3,270,966,318,872.84/1,921,198.19 - Step 6: Final answer
x = 1,702,565.80
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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.