Finding the Fourth Proportional to 1,914,674.71, 2,642,205.60 and 1,043,536.93
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Solution
The fourth proportional to 1,914,674.71, 2,642,205.60 and 1,043,536.93 is: 1,440,056.17
Step by Step Solution
- Step 1: Write the proportion equation
1,914,674.71 : 2,642,205.60 = 1,043,536.93 : x - Step 2: Convert to fraction form
1,914,674.71/2,642,205.60 = 1,043,536.93/x - Step 3: Cross multiply
1,914,674.71x = 2,642,205.60 × 1,043,536.93 - Step 4: Simplify right side
1,914,674.71x = 2,757,239,120,252.81 - Step 5: Solve for x
x = 2,757,239,120,252.81/1,914,674.71 - Step 6: Final answer
x = 1,440,056.17
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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.