Finding the Fourth Proportional to 1,763,361.84, 2,431,186.68 and 1,142,069.52
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Solution
The fourth proportional to 1,763,361.84, 2,431,186.68 and 1,142,069.52 is: 1,574,596.97
Step by Step Solution
- Step 1: Write the proportion equation
1,763,361.84 : 2,431,186.68 = 1,142,069.52 : x - Step 2: Convert to fraction form
1,763,361.84/2,431,186.68 = 1,142,069.52/x - Step 3: Cross multiply
1,763,361.84x = 2,431,186.68 × 1,142,069.52 - Step 4: Simplify right side
1,763,361.84x = 2,776,584,204,657.99 - Step 5: Solve for x
x = 2,776,584,204,657.99/1,763,361.84 - Step 6: Final answer
x = 1,574,596.97
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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.