Finding the Fourth Proportional to 1,669,790.49, 2,304,315.17 and 905,843.98
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Solution
The fourth proportional to 1,669,790.49, 2,304,315.17 and 905,843.98 is: 1,250,067.02
Step by Step Solution
- Step 1: Write the proportion equation
1,669,790.49 : 2,304,315.17 = 905,843.98 : x - Step 2: Convert to fraction form
1,669,790.49/2,304,315.17 = 905,843.98/x - Step 3: Cross multiply
1,669,790.49x = 2,304,315.17 × 905,843.98 - Step 4: Simplify right side
1,669,790.49x = 2,087,350,024,767.18 - Step 5: Solve for x
x = 2,087,350,024,767.18/1,669,790.49 - Step 6: Final answer
x = 1,250,067.02
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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.